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Post-acquisition Integration Phase of ISS in IBM

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In the last decade, to accomplish changes in clients' demands, IBM's strategy was to strengthen its position through strategic investments and acquisitions in higher-value segments. In fact it acquired more than 100 companies to complement and scale its portfolio of products, moving towards higher-value and more profitable segments of the industry.

The aim of this project is to analyse the cultural integration issues consequent to the adopted strategy and to develop a general analytical framework that allows for the examination of those issues in post-acquisition integrations using the IBM ISS case. The selected case represents an IBM acquisition strategy and the related issues: the ISS acquisition was announced, at a worldwide level, during the summer of 2006 and completed in October 2006.

The work will focus on the post-acquisition integration phase of ISS in IBM in Italy. The research will focus on the Italian local reality for two main reasons:

The importance of local issues arising at a country level after a cross-border Merger and Acquisition (M&A);

The accessibility of data.

The project main objectives are to:

Identify appropriate theoretical support to understand and manage future post-acquisition cultural integrations;

Develop an analytical framework applicable to future acquisition cases;

Develop recommendations and the analytical framework to assist managers to develop a more structured approach in future integrations.

Background to the Project

IBM Main Strategy

IBM's stated strategy is to divest in commoditizing businesses like personal computers and hard disk drives, and strengthen its position through strategic investments and acquisitions in higher-value segments like business intelligence and analytics, security, next-generation data centres, cloud computing and green solutions.

Up to 2009, IBM acquired 108 strategic companies to integrate and broaden its portfolio of products and offerings, consequently changing IBM's business mix toward higher-value, more profitable segments of the industry. Moreover, the IBM 2010 budget allocated to strategic acquisitions is twice the 2009 budget and since the beginning of 2010, IBM has already completed some of them (the last one Blade Network Technologies in September 2010) .

This strategy is confirmed for the next 5 years. In fact, IBM, in its 2015 roadmap, plans to invest $20B in acquisitions as a contribution to its 5% revenue growth target, further adjusting its business and segment profit mix (Fig.1).

Fig.1 2000-2015 IBM business remix

source: IBM Business Perspective 2010

The consequence of this strategy is IBM's continuous engagement in integration activities among companies: from financial, to processes and cultural and human resource aspects. Focusing on cultural integration, there are difficulties in managing motivations, behaviours and communication with the acquired companies' employees (Buono and Bowditch, 1989; Haspeslagh and Jemison, 1991). These issues can affect the acquisition's value and command attention and a continuous strive for improvement.

ISS: Generalities

Internet Security Systems (ISS) was a publicly held company based in Atlanta. ISS provided security solutions to thousands of the world's leading companies and governments, helping to proactively protect against internet threats across networks, desktops and servers. ISS software, appliances and services were specialized in monitoring and managing network vulnerabilities, in exploiting and rapidly responding in advance of potential threats.

ISS, with its X-Force security intelligence service, was able to proactively protect networks with detailed analyses of global online vulnerabilities and threat conditions. ISS had also a global network of Security Operations Centers (SOCs), which include sites in Tokyo, Brussels, Brisbane, Detroit and Atlanta.

Before the acquisition ISS had more than 11,000 customers worldwide (i.e. 17 of the world's largest banks, 15 of the largest governments, 11 of the top public insurance companies and 13 of the world's top IT organizations) and a consolidated network of business partners (BP) skilled in selling the ISS product line.

ISS, acquired at a worldwide level in October 2006, was later integrated into the Security unit of the IBM Global Technology Services (GTS) division, enhanced IBM strategy to use IT services, software and consulting expertise to automate labour-based processes into standardized, software-based services that can help clients optimize and transform their businesses.

Relevance of the Project

The success or failure of M&As depends upon many different aspects from financial, economic, process, to cultural, behavioural and human resource factors (Cartwright, 1990). Among the above mentioned aspects, the cultural perspective, focusing upon the human costs in post-acquisition integration, plays an important role.

The present project will focus on ISS acquisition and integration in Italy with an in-depth analysis of the different cultural issues faced in the post-acquisition integration phase and the impacts these had on the unit.

Given IBM's strategy to invest and acquire higher-value segments, this analysis will be useful to define an analytical framework that allows senior managers and Human Resources (HR) Department for examining cultural integration issues in the ISS post-acquisition integration and possibly apply the framework to future acquisitions.

Project Structure

The methodology applied in the project is based on a literature research followed by a mix of the deductive and inductive approaches. Firstly, the most important literature relevant to the topic was identified and secondly defined a set of issues to be addressed with semi-structured interviews to selected people with different roles in the company. The interviews were designed to understand the cultural issues encountered in the ISS case.

The research questions addressed are:

What were the main cultural issues faced during the ISS post-acquisition integration?

What impact have the indentified cultural issues had on the unit?

How did IBM manage the issues raised during ISS post-acquisition integration and how could management of future integrations be improved?

The project is organized in a way that firstly reviews, in a specific chapter, the most important theories to the topic of interest and secondly it presents the methodology chapter showing the rationale underlying the choice of research design, sample and the development of an interview structure. After the results are presented and discussed, a closing chapter concludes and makes recommendations.

Literature Review

Literature Review Search Strategy

The aim of the literature review was to look for material on all the different topics related to the project area: M&A, corporate culture and cultural integration.

The research was based on keywords related to the topics of interest and the sources are reported below.

The main sources used to find articles and books were:

Business Source Premier

Emerald Insight

ABI/Inform Global

Science Direct

Web of Knowledge

Google Scholar

Book24x7 (http://www.books24x7.com by SkillSoft: http://www.skillsoft.com )

Library of Università Cattolica del Sacro Cuore di Milano

The literature review was based on the following keywords:

Merger and Acquisition – M&A

Human Resources Management (HRM)

Corporate Culture

Cultural Issues

Cultural Integration

Cultural Clash


Cultural Fit

Cultural Leadership


Except for the first, all the other keywords were searched also in conjunction with the ‘Mergers and Acquisition – M&A' keyword to find material more appropriate and relevant to the project.

Introduction to M&A

During the past two decades, due to fierce competition, the emergence of new financing opportunities and decreased entry barriers throughout the globe, M&As have become increasingly popular among companies as a means for strengthening and maintaining their position in the market place achieving various objectives such as growth, higher returns, a competitive advantage and a dominant market position in the global market (Nahavandi and Malekzedah, 1988 and Napier, 1989).

In many cases, M&As are seen as a relatively fast and efficient way to expand into new markets and incorporate new technologies and capabilities (Seo and Hill, 2005), even if it is a really complex strategic choice due to its multifaceted characteristics.

According to Cartwright and Cooper (1990), the main factors facilitating this growing trend are the following:

Market Conditions bringing the need to consolidate or capture new markets;

Increasing Availability of Capital within organizations and financial institutions;

More Family Companies for Sale either because they have grown so large that the entrepreneurs can no longer continue as family business, or there is no natural successor within the family;

The Easing of Regulations although an anti-merger movement is developing within some countries (i.e. USA)

The Need to Share Risk particularly in capital intensive industries;

The Existence of Complex Problems contributing to the increase of joint ventures (JV), strategic alliances are often a prelude to a M&A;

Unrecognized Psychological Motives such as fear of obsolesce (Levinson, 1970) or a CEO's desire to find a new game to play (McManus and Hergert, 1988).

M&As are commonly classified according to four types (Walter, 1985; Hovers, 1973; Kitching, 1967).

Vertical includes organizations with a client-supplier relationship within the same industry.

Horizontal is the combination of two companies competing in the same industry.

Conglomerate takes place between companies operating in an unrelated business.

Concentric comprehends companies unfamiliar but operating in a related field, into which the acquiring company wishes to expand.

The following literature review firstly gives an overview of the M&A phenomenon, trying to understand the motives that lead companies to merge or acquire another company, the different approaches to this phenomenon, the process (phases) to follow and the relation between M&As and company performance. Secondly, it will move to the core of the work: the definition of culture and the crucial role it plays in M&As and the cultural issues that may arise in the post-acquisition integration process that can have important impacts on the success or failure of M&As.

M&A Motives

Given M&As have become a global phenomenon and a strategic choice for companies' growth and expansion (Lodorfos, 2006), and according to the literature, the failure rate of M&As ranges from 55 to 70 percent (Carleton, 1997), academics have been attracted to study the motives behind M&As and the causes of their success or failures.

In M&As it generally happens that ‘single motives for deals are rare' while ‘multiple motives are more the norm and these motives are not necessarily in alignment' (Angwin, 2009, Lesson 2, p.20). In fact, for example, according to Napier (1989), it is possible to make a distinction between financial or value maximizing motives, when the main objective is to increase shareholders' wealth (Salter & Weinhold, 1979) and financial synergy, and managerial or non value maximizing motives where mergers main drivers are other strategic reasons such as increasing market share (Halpern, 1983), management prestige (Rhoades, 1983), personal gains for managers or reducing uncertainty and restoring market confidence (Pffeffer, 1972).

All the M&As strategic motives are based upon the assumption that the deal will make the firm ‘better off' (Porter, 1987) in a demonstrable way, using conventional performance indicators such as reported earnings, share price or market share. A synthetic and clear presentation of the motives behind M&As and the related relevant payoffs is shown in the following table.

Table 1 Motivation Types and Payoffs

Source: Angwin, 2009

The motives behind a merger may influence the extent to which the two firms, and their HR practices, are integrated after the merger (Shrivastava, 1986).

Approaches to M&As

As previously mentioned, M&As decisions are motivated, evaluated and justified by strategic and economic considerations and the primary concerns are related to the legal, financial and strategic aspects of the deal (Mirvis and Marks, 1992). Consequently, literature on M&As has initially focused on the following fields:

Strategic management: studying M&As as a method of diversification, focusing on both the motives for different types of combinations (Ansoff et al., 1971; Salter and Weinhold, 1981; Walter and Barney, 1990) and the performance effects of those types (Lubatkin, 1987);

Economics: emphasizing economies of scale and market power as the main motives for mergers and examining acquisition performance with primarily accounting-based measures (Goldberg 1983);

Finance: studying acquisition performance, relying on stock-market-based measures (Jarrell et al., 1988; Jensen and Ruback, 1983; Weston and Chung, 1983).

However, because of the high rate of failure, recent research (Seo and Hill, 2005; Haspeslagh and Jemison, 1991; Buono et al. 1985; Nahavandi and Malekzadeh, 1988; Mirvis, 1985) has shifted to the organizational and human side of M&As to try to understand the organizational, psychological and behavioural effects of M&As on companies and employees. M&As necessarily have organizational implications, and the degree of organizational change can vary substantially as the motives and types of M&As differ widely (Seo and Hill, 2005). While organizational research has focused mainly on the post-acquisition integration process (Haspeslagh and Jemison, 1991), highlighting the concepts of culture clash (Buono et al. 1985; Nahavandi and Malekzadeh, 1988) and conflict resolution (Mirvis, 1985), HRM literature, on the other hand, has emphasized psychological issues (Levinson, 1970; Marks, 1982), the importance of effective communication (Schweiger and DeNisi, 1991) and the impacts on careers (Hambrick and Cannella, 1993). Moreover, Fralicx and Bolster (1997, p.50) pointed out that ‘culture can be a make or break factor in the merger equation'. Cartwright and Cooper (1993) suggested that financial benefits anticipated from M&As are often unrealised because of incompatible cultures. Weber (1996) reinforced this by suggesting that the magnitude of cultural differences can effectively impede a successful integration during M&As, resulting in poor overall performance.

Although long recognized by psychology as a major and complex process of organizational change (Humpal, 1971), the human aspects of M&As have been little considered by decision makers, and have come to be labelled the ‘forgotten' or ‘hidden factor' in merger success (Cartwright and Cooper, 1990). Even if it is widely admitted that cultural compatibility alone cannot guarantee the M&As' success, it is also true to say that cultural dissimilarity creates tensions and affects financial and managerial performance (Kanter and Corn, 1994; Jemison and Sitkin, 1986).

M&A Process (phases)

Even if it is not always easy to define the exact origin of a transaction or to understand when a specific step in a process begins and stops, overall, in M&As, managers generally operate within the planned sequence as represented in the following figure.

Fig.2 The M&A process

Source: Angwin, 2009

The degree, speed, manner and direction of the change that the M&A process produces varies from deal to deal. The post-acquisition integration phase, according to Shrivastava (1986), occurs at three levels: the physical, the procedural and the socio-cultural level. Integration at the physical and procedural levels can be achieved in a shorter time scale than at the socio-cultural level (Berry, 1980), which can take three to five years (Walters, 1985) or even longer (Levinson, 1970).

Among a variety of problems characterizing the M&A process such as momentum (needed by the deal to be agreed), fragmentation (the complete picture divided in specific aspects) and reductionism (choices made to cope with complexity) (Jemison and Sitkin, 1987), another, one of even greater relevance, is the information asymmetry on the process and between the parties (Angwin, 2009; Bertoncelj and Kovač 2007). In fact, according to Hunt's study (1988), the more successful acquisitions are the ones in which the acquirers are better informed about the organization to be acquired.

M&As and Performance

Even after years of analysis, researchers (Larsson and Finkelstein 1999) trying to understand the relation between M&As and company performance didn't succeed in reaching a consensus on this topic. In fact while some researchers have shown that M&As are often unsuccessful (Goldberg, 1983; Lubatkin, 1983), Jensen (1984, p.120), for example, stated that ‘scientific evidence indicates that activities in the market for corporate control almost uniformly increase efficiency and shareholders' wealth'. The controversy depends on the use of measures of performance in economics and in finance, often presenting significant errors (Bradley and Jarrel, 1988) and little attention is paid to other factors such as organizational integration and employee reactions to M&As (Schweiger and Walsh, 1990).

Given the problems associated with the measures based on economics and finance and the importance of strategic, organizational and HRM perspectives, Larsson and Finkelstein (1999) conceptualized M&As performance in terms of synergy realization as the actual net benefits (reduced cost per unit, increased income) created by the interaction of the two firms involved in a M&A. Larsson and Finkelstein's (1999) view emphasises the benefits that are actually realized after the deal is completed. In addition, it focuses solely on the value creating activities of the merged firms (Jemison, 1988).

Culture Definition

Culture has been defined by researchers in many different ways, but the majority of the definitions all emphasize the collectively shared, historically based, emotionally charged, symbolic and inherently fuzzy characteristics of culture (Trice and Beyer, 1993). Nahavandi and Malekzadeh (1988, p.80) defined culture ‘as the beliefs and assumptions shared by members of an organization. It is assumed that although a firm may have a dominant culture, many subcultures may coexist and interact. Understanding the culture of any company involves identifying and deciphering the various subcultures and gaining insight into how they interplay, to influence organizational behaviour and decision making'. In line with this definition, Davis (1984) considers culture ‘the pattern of shared beliefs and values that give members of an institution meaning, and provide them with the rules for behaviour in their organization'.

For Rugman (2009, p.131), ‘at the most general level, culture can refer simply to the lifestyle and behaviour of a given group of people, so corporate culture is a term used to characterize how the managers and employees of particular companies tend to behave'. In addition, other researchers (Mohan, 1993; Schein, 1985) suggest that cultural frameworks provide individuals within the group with generalized guidelines or prescriptions to interpret organizational events, to interact with other members of the group and to perform work-related tasks. However, organizational culture does not necessarily imply a uniformity of values: culture may be expressed as a ‘common frame of reference or shared recognition of relevant issues' (Feldman, 1991) that members may disagree about or actively contest.

Despite the differences in the definitions, culture anyway represents a crucial and important determinant of the success or failure of organizational innovation, change implementation and restructuring – elements included in any M&As - and ultimately performance (Detert et al., 2000; Nahavandi & Malekzadeh, 1988): indeed ‘culture can be a make or break factor in the merger equation' (Fralicx and Bolster, 1997).

Given that culture seems to be ‘characterized more by continuity than by change' (Trice and Beyer, 1991) and by collective and common ground, not surprisingly post-acquisition cultural integration seems a very challenging and sometimes insurmountable task (Blight, 2006). In fact, acquirers should understand that in all the single phases of M&As, it is not difficult to assess and integrate the assets, technology or infrastructure but the people (Feldman and Murata, 1991). Lack of a complete assessment of cultural compatibility since the beginning and a future potential for compatibility compromises the likely success of the M&A. Hence, to improve the percentage of successful M&As it is necessary to make a cultural assessment of compatibility between the two companies (Appelbaum et al., 2009).

Cultural Fit and Acculturation

According to Berry (1980, p.215) acculturation, in its anthropological sense, is defined as ‘changes induced in (two autonomous cultural) systems as a result of the diffusion of cultural elements in both directions' and it occurs both at the group and individual levels in the three stages of contact, conflict, and adaptation (Berry, 1983). Acculturation describes a process, a reaction to the imposition of one culture onto another. Although theoretically, acculturation can result in a balanced merging of two groups, anthropological studies would suggest that this balance rarely occurs. Instead, one group tends to dominate the other and influences the direction of cultural change much more strongly than the subordinate group (Berry, 1980). Nahavandi and Malekzadeh (1988) distinguish between anthropological acculturation and organizational acculturation. In particular, in organizations, members can decide not to accept the culture of the other choosing to leave the organization if acculturation becomes too stressful.

The concept of acculturation focuses on the desires of the members of the acquired company and on their ability to adapt to the dominant culture. It's important to highlight that, according to Elsass and Veiga (1994), the motives for the merger, the type of merger, the characteristics of the acquirer and how the two groups adapt to each other have impacts on the acculturation mode, classified by Berry (1983, 1984) in the following way:

(1) Integration

Integration happens when the acquired firm wants to preserve its own culture and identity and is willing to remain autonomous. Integration can take place only if the acquirer is willing to allow such independence. In the Nahavandi and Malekzedah (1988) paper, it is argued that although integration involves interaction and adaptation between the two cultures, it does not involve loss of cultural identity by either. Overall, integration leads to some degree of change in both groups' cultures and practices; the flow of cultural elements is balanced because neither group tries to dominate the other. In fact, as a result, according to Elsass and Veiga (1994) members of the two firms may experience high levels of stress and tension.

(2) Assimilation

In anthropological terms, if the subordinate group gives up its prior cultural identity, and assumes the imposed culture, it is said to be assimilated. Assimilation is always a unilateral process in which one group adopts the identity and culture of the other (Berry, 1983; 1984). This normally happens, for example, in the case of vertical M&As or economies of scale where the required interdependence between the two firms may force integration to minimize cultural differences between the two firms, and the acquired firm is assimilated into the larger one.

(3) Separation

Separation involves attempting to preserve one's culture and practices by remaining separate and independent from the dominant group (Berry, 1983). Hence, the acquired firm wants to preserve its culture and organizational systems refusing to be assimilated into the acquirer. The acquired firm wants to remain totally separate from the acquirer and it functions as a separate unit under the parent company: only minimal cultural exchanges between the two groups exist. Separation may occur, for instance, if the technologies and functions of the two firms are completely different and no interdependence exists. The forces of organizational integration would be weak, and each group would operate independently (Elsass and Veiga, 1994).

(4) Deculturation

Deculturation happens when members of the acquired firm have no desire to maintain a separate identity as they do not value their own culture and do not want to be assimilated into the acquiring firm (Nahavandi and Malekzedah, 1988). Besides, the acquiring firm has no need to impose its culture on them. Members of the acquired firm no longer maintain their original cultural identity, but do not replace it with a new identity. As a result, the acquired firm is disintegrated as a cultural entity and this situation is characterized by collective and individual confusion and by feelings of alienation, loss of identity and stress (Berry, 1983).

Figure 3 shows the Berry's (1983) representation of the four modes of acculturation with the superimposition of the levels of stress characterizing each mode (Elsass and Veiga, 1994). According to Berry (1980, p. 261) acculturative stress is defined as ‘….individual states and behaviours that are mildly pathological and disruptive….' (p.261) and results from the contact with another group (Berry, 1983; Berry and Annis, 1974).

Fig.3 Adaptation of the Berry (1983) acquired firm's modes of acculturation

Nahavandi and Malekzedah (1988) suggested an interesting approach for a successful implementation of an M&A based on the degree of agreement (congruence) between each organization's preferences for the mode of acculturation: when two organizations agree on the acculturation mode, less acculturative stress and organizational resistance will result, making acculturation a smoother process. The definition of acculturation and congruence suggest that many issues associated with post-acquisition integration of two firms can be avoided if the two firms agree on the mode of acculturation.

As previously mentioned, every organizational culture differs from others in style, rules, planning, function, rewards and structure. Making an assessment of these variables between the two merging companies is important for the success of their future integration. The cultural compatibility (cultural fit) assessment increases the odds of successful mergers. In Bijlsma and Frankema's (2001) view, cultural fit reflects preferences for style of management, planning, reward and sanction modes, time perspective and orientation to growth.

Many studies have been carried out on the role of cultural fit in M&As, focusing on how two firms can be integrated with respect to day-to-day operations once an acquisition has been made (Jemison and Sitkin, 1986; Lodorfos and Boateng, 2006; Birkinshaw et al., 2000). While authors as Fralicx and Bolster (1997) and Cartwright and Cooper (1993) acknowledged that the lack of cultural fit is an important factor in M&As' failure, relatively few studies have investigated the role of culture and its integration in the M&A process.

Bijlisma and Frankema (2001) argue that the closer the cultural fit between the two companies, the less adversity will be faced during the integration process. The two companies cultural fit can be either too close to realize synergetic improvements or too far apart to integrate without negatively impacting the integrated firms performance and the level of employee performance/satisfaction overall.

Even if the cultural fit seeks similarities in style, leadership, direction, communication, and organization policies, it doesn't mean that two companies must have absolutely similar cultures; it means that the integration process is harder, requiring extra time, attention, and communication (Appelbaum et al., 2009).

Another variable to consider, according to Bijlisma and Frankema (2001) is the cultural potential as the framework in which companies operate, including the way in which the relations with other organizations and cultures are managed. It can reveal the level of a firm's openness to change, mainly affecting the following traits:

Innovative Potential: openness to new values and ideas;

Trust Potential: openness to trust;

Mutual Dependence Potential: the mindset of two companies working together for the greater good;

Integrative Potential: the openness of a company to sorting through issues, understanding differences, and wanting to work through differences.

Psychological Impact

Organizational changes, especially significant changes, such as M&As, sometimes cause significant employee distress, uncertainty and tensions (Cartwright and Cooper, 1993). These psychological states may result in lowered morale, job dissatisfaction, unproductive behaviour, increased staff turnover and absenteeism rates (Sinetar, 1981; Schweiger and Ivancevich, 1985; Hall and Norburn, 1987; Bruckman and Peters, 1987). Their effects have negative impacts on both organizational performance and the longer-term physical, psychological and mental employees' health.

An M&A represents an event where employees (especially those of the acquired company) do not have sense of control as changes in their work places may be imposed by the acquiring company (Fried et al., 1996) and they have no choice but to accept the changes or to leave. These situations lead the acquired companies' employees to feel loss of control, or even helplessness (Ashoforth, 1989; Fried et al., 1996), and uncertainty about their future caused by changes in jobs and in the relationships with their co-workers (Fried et al., 1996; Ivancevich et al., 1987). To make matters even worse, it may happen that executives of the acquired companies adopt a crisis management orientation because of the uncertain situation (Marks and Mirvis, 1986; 1987a) centralizing and cutting off a large amount of communication to protect their own position and power. This aggravates the situation increasing subordinates' feelings of uncertainty, insecurity and loss of control (Fried et al., 1996; Marks and Mirvis, 1997b).

Schreader (2003) argues that once employees acknowledge that their organization is being bought, their psychological reaction can be compared with the sense of loss experienced following the death of a close friend or relative.

According to Cartwright and Cooper (1990) employee reactions to M&As pass through the following stages:

Disbelief and Denial;

Anger through rage and resentment;

Emotional bargaining beginning in anger and ending in depression;


In sum, along all the phases of the M&A integration process, it is necessary to implement proper communication of the future changes and strong management leadership to prevent employees sense of loss, confusion and tensions (Appelbaum and Gandell, 2003).


According to Appelbaum et al. (2009), successful M&As communicate as early as possible and as often as possible to employees, customers, partners and media about all the anticipated effects of the change. Even if communication is one of the largest concerns in any acquisition, it is also the most neglected activity during the integration phases. Early communication and employee involvement in the M&A process drastically reduce stress and anxiety. Any failure in communication leaves employees uncertain about their futures, and it is often that uncertainty, rather than the changes themselves, that create stress to the employees. Therefore, employees often seek other means for reducing this uncertainty, such as the reliance on rumours and other informal forms of communication (Napier et al., 1989) even though these don't reduce anxiety, since they are often based on negative and inaccurate information (Rosnow, 1988).

As argued by Appelbaum et al. (2009), often it happens that top management does not know exactly what will happen until far into the M&A process making impossible any realistic communication. Contrary to their intentions, delays in communication ‘increase anxiety and stress negatively affecting future relations and trust' (Appelbaum et al., 2009, p. 41). Even in these cases silence is interpreted negatively as a consequence of weak leadership and unclear goals. Perhaps managers should communicate what they know and ensure that employees are never intentionally deceived. They can offer themselves to answer to employees' questions and explain why some questions cannot be answered. Employees are looking for answers to the following types of questions: ‘How does the merger affect me? What will be my role in the new organization? Why should I sign up to the new vision and strategy?' (Appelbaum et al., 2009, p.41). Further, communication should focus on areas of particular concern to employees during M&As, such as layoffs and changes in pensions, work rules and compensation (Ivancevich et al., 1987).

As Schweiger and DeNisi (1991) suggest, communication problems can undermine the commitment required for effective implementation of M&As. A systematic approach, as a communication program, is required to inform employees, to create an internal climate of fairness (Fair¬eld, 1992) and to bridge the differences in culture between the two firms (Smith and Hershman, 1999; Appelbaum et al., 2000a).

A poor communication program may create problems and may undermine the M&A realization (Marks, 1997; Bourantas and Nicandrou, 1997; Hubbard, 2001). Researchers recommend that companies create and communicate early on in the process a ¬‚exible and comprehensive communication program (Papadakis, 2005). Clear goals and expectations are needed for establishing current and future direction of the organization. A vision regarding the new company direction must be set and clearly communicated to the new organization. Change is necessary to gain an inherent competitive advantage over competition (Want, 2003).

Leadership Role

It is difficult to separate communication and leadership, since they are concentric. Each plays important roles in M&As, and neither can happen without the other. In the M&A context, leadership style must be changed and time and effort are necessary for effective and clear communication.

Appelbaum et al. (2009) argue that leadership is the most urgent priority once a merging agreement between two companies is reached. The faster the top management team involved is defined, the smoother the post-acquisition integration process is. Nevertheless an important percentage of M&As face a leadership vacuum. An example of failed acquisitions due mainly to a ‘management vacuum' is the case of Nokia, which, between 1980s and 1990s, made a number of acquisitions in the consumer electronics business. Cisco Systems, on the other hand, successfully carried out over 70 acquisitions from 1993 to 2000. Integration teams were formed very early in the process and leaders were actively involved in the whole process.

Bligh (2006) describes the role that all leaders should adopt to influence the cultural change at all levels of the organization. She refers to Trice and Beyer's (1993) theory in which they identified four variants of cultural leadership arising in response to different organizational issues. Those variants are key factors in leading an effective post-acquisition leadership in cultural integration:

Leaders that create: leaders seek to establish new cultural elements

Leadership that changes: modify some existing cultural values

Leadership that integrates: facilitate the integration of both existing and new values into the merging culture

Leadership that embodies: support and reinforce the new cultural values

In sum, Blight (2006) argues that the top-down cultural change management of M&As has a poor record of success; hence an alternate model for leading post-acquisition cultural integration is needed. In other words, leaders should embody the core values of the existing culture (maintenance), while at the same time carrying forward new and/or modified cultural elements (innovation).

Different leadership styles and qualities have been compared in a number of ways. For example, Mumford and VanDoorn (2001) contrasted pragmatic and charismatic leadership styles. The former involves the identification of needs of people and social systems, objective analysis of the situation, development and implementation of solutions. The same authors suggested that pragmatic leadership has a limited applicability when goals are unclear, consensus is not evident and straightforward and there is room for disagreement as often happens in M&As. Moreover, pragmatic leadership may not be effective when there are ‘markedly different vested interests' (Mumford and VanDoorn, 2001 - p.283), as in M&As, especially with regard to the acquiring versus acquired firm.

In contrast, charismatic leadership is characterized by the articulation of a vision attempting to integrate multiple groups and achieve consensus. Hence, Mumford and VanDoorn (2001) consider charismatic leadership highly applicable to the type of change and integration efforts associated with the implementation of M&As.

According to Waldman and Javidan (2009), key behaviours commonly associated with charismatic leadership include: (1) providing a sense of mission or purpose based on opportunities and constraints, (2) articulating a vision challenging the status quo and based on a sense of purpose, (3) showing determination in pursuing objectives, (4) unconventional action or behaviour, (5) showing confidence, and (6) providing insights (Bass and Avolio, 1994; Yukl, 1999). As argued, all of these behaviours are relevant to effectively implement an M&A, although their actual manifestation can vary in nature.

The focus here is not on a specific managerial level, rather the reference point is the top decision-maker accountable for the successful implementation of an M&A. It can be the firm CEO, a lower-level business unit manager or an integration manager, appointed by the acquiring firm, according to the size of the acquired firm and the complexity of the deal (Koch, 2002).


M&A is a complex operation that deeply involves management and organizations and whose realization process is depending by a number of factors, financial, economic, technological, market share, organizational, cultural and human related.

The literature review above has illustrated exhaustive documentation about the background, the external and internal reasons driving companies to arrange M&A operations, giving a wide picture of influencing factors, motives, phases of development and analysis of M&As success and failure, the latter being well in excess than the former (Cartwright, 1990).

The M&As behaviour analysis has initially started by the strategic (Ansoff et al., 1971; Salter and Weinhold, 1981; Walter and Barney, 1990), economical (Goldberg 1983) and financial (Jarrell et al., 1988; Jensen and Ruback, 1983; Weston and Chung, 1983) factors, shifting, then, recently the attention to the organizational and human side (Seo and Hill, 2005; Haspeslagh and Jemison, 1991; Buono et al. 1985; Nahavandi and Malekzadeh, 1988; Mirvis, 1985). Most of these studies have drawn attention to the cultural differences in the organizations involved and to the failure to fully assess the compatibility of cultures in the outset and the potential for compatibility in the future. These are the major causes of the organizational problems that appear and grow in the post-acquisition phase, where organizational changes are discussed and decided.

In this context, as mentioned, cultural compatibility, psychological impact, communication, management/leadership styles constitute key factors for the success or failure of the M&A process. An assessment of the above variables between two merging companies is important for the success of their future integration. Just assessing the cultural compatibility (cultural fit) increases the odds of successful mergers. It is suggested that more attention and efforts be spent to properly evaluate the organizational cultural fit before going ahead with the merger to increase its rate of success. The adoption of a long term process approach is likely to be the most useful way to assess the cultural fit; it should take into account:

the established cultures of the merging organizations prior to their integration;

the subsequent emergent culture of the new organization;

the way in which the process was/is managed;

the short and long term response of the employees involved.

Communication, as well, is really important and vital and should be carried out honestly and frequently with employees. Early communication and employee involvement in the M&A process drastically reduce stress and anxiety. Failure to achieve employees' involvement will have serious consequences for the future of the firm. Therefore, the arrangement of an effective communication program and employee involvement techniques constitute a very important step.

Besides the communication program must be accompanied by charismatic leadership, able to lead an effective post-acquisition cultural integration and find agreement on the merging firms' mode of acculturation. Throughout the merger process, the leadership style can significantly affect outcomes. In fact a charismatic leader capable to involve people in developing shared vision, confident in people, displaying emotional stability and selflessness, sharing knowledge and information for the purpose of developing individuals and the organization, is what is needed to prevent employees sense of loss, confusion and tension in M&As.

A successful and structured process of cultural change must be developed based on the following factors (Bijlsma – Frankema, 2001):

legitimisation of the changes and communicating positive outcomes that are expected from the new structure;

clarification of goals and changes in what is expected from organisational members;

monitoring the process and guidance of employees in the case of non-compliant behaviour;

establishing conditions of psychological safety;

securing feedback on successful and unsuccessful outcomes and addressing these.

Summarizing the existing literature has closely examined and analysed the soft issues regarding culture, leadership, and communication during M&As. However considering that, in the acquisition context, the actors (managers and employees) come from previously separate organizations bound to the previously separate cultures, with likely different interpretation and expectation concerning the integration issues, nothing has been found about the impact of the acquisition regarding some cultural aspect, as ad hoc training/education, task and workforce integration (Appelbaum, 2009).

These issues are not negligible ones because might be causes of employees' disaffection, misunderstanding and low performances, affecting the post-acquisition success.

Through the empirical case of IBM-ISS M&A the present project will examine the relevant cultural integration issues in the light of the results of the literature review, trying also to consider those normally neglected aspects.

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