The workplace is a microcosm of life. Different personality types need to work together every day whether they like it or not. The larger the workplace, the more challenging it is for business leaders to ensure that difficult people in their team do not affect negatively the enterprise’s performance. Dysfunctional behaviour comes in various forms. It is often defined as an individual’s abnormal functioning or attitude that can negatively influence or be harmful. Organisational psychologists identify different types of dysfunctional behaviour that most seasoned business leaders would have experienced at some stage of their careers. Perhaps the most toxic dysfunctional behaviour is that of the narcissist who has a grandiose sense of self-importance combined with a lack of empathy for other people. This kind of behaviour causes the most damage when adopted by company leaders with some degree of authority, from CEOs, senior managers, middle managers and supervisors. Narcissistic workplace behaviour is often characterised by an unwillingness to be challenged or questioned. Narcissist leaders require excessive loyalty, praise and adoration, and struggle to accept and incorporate...