Brendan Coleman has spent over 30 years working in large international organisations in a variety of roles. With a doctorate from Henley Business School, he is now an author and Chartered Organisational Psychologist advising on the presence of the Dark Triad in the workplace.Victor Dulewicz is Managing Partner of VDA Consultants and Emeritus Professor at Henley Business School where he has been Head of HRM & OB and Director of the Centre for Board Effectiveness. Previously, he worked as a Chartered Occupational Psychologist for Rank Xerox, the Civil Service Department and STC Telecoms Group.

• Foreword; Ben Van Den AssemChapter 1. Introduction Chapter 2. Psychopathy Chapter 3. Narcissism Chapter 4. Machiavellianism Chapter 5. Measuring Individuals’ Dark Triad Personalities Chapter 6. Proposed Management Actions for Dealing with the Dark TriadChapter 7. The Dark Side of Organisations, Toxic Cultures and How Dark Triad Personalities ContributeChapter 8. Concluding Thoughts

Brendan Coleman has spent over 30 years working in large international organisations in a variety of roles. With a doctorate from Henley Business School, he is now an author and Chartered Organisational Psychologist advising on the presence of the Dark Triad in the workplace.Victor Dulewicz is Managing Partner of VDA Consultants and Emeritus Professor at Henley Business School where he has been Head of HRM & OB and Director of the Centre for Board Effectiveness. Previously, he worked as a Chartered Occupational Psychologist for Rank Xerox, the Civil Service Department and STC Telecoms Group.

• Foreword; Ben Van Den AssemChapter 1. Introduction Chapter 2. Psychopathy Chapter 3. Narcissism Chapter 4. Machiavellianism Chapter 5. Measuring Individuals’ Dark Triad Personalities Chapter 6. Proposed Management Actions for Dealing with the Dark TriadChapter 7. The Dark Side of Organisations, Toxic Cultures and How Dark Triad Personalities ContributeChapter 8. Concluding Thoughts

Brendan Coleman has spent over 30 years working in large international organisations in a variety of roles. With a doctorate from Henley Business School, he is now an author and Chartered Organisational Psychologist advising on the presence of the Dark Triad in the workplace.Victor Dulewicz is Managing Partner of VDA Consultants and Emeritus Professor at Henley Business School where he has been Head of HRM & OB and Director of the Centre for Board Effectiveness. Previously, he worked as a Chartered Occupational Psychologist for Rank Xerox, the Civil Service Department and STC Telecoms Group.

• Foreword; Ben Van Den AssemChapter 1. Introduction Chapter 2. Psychopathy Chapter 3. Narcissism Chapter 4. Machiavellianism Chapter 5. Measuring Individuals’ Dark Triad Personalities Chapter 6. Proposed Management Actions for Dealing with the Dark TriadChapter 7. The Dark Side of Organisations, Toxic Cultures and How Dark Triad Personalities ContributeChapter 8. Concluding Thoughts