While there is significant research regarding the impact of emotion at work there are few studies that examine anger in a work context. What is known is that men are more prone to expressions of anger at work than women. Given its links to greater employee frustration, stress and lower levels of performance understanding anger expressions of men at work is important. The aim of our research is to better understand anger triggers in the workplace. We present the preliminary data derived from interviews with 15 male respondents who had been referred to anger management intervention. Responses were coded and analysed using a grounded theory approach. Five main themes emerged for anger triggers. Practical implications of our research are discussed.