Steven Laurent is a clinical psychologist with extensive experience in treating psychiatric disorders. He is a regular guest lecturer at the University of Sydney, where he has taught on Mood Disorders, Anxiety Disorders, and Drug and Alcohol Disorders. At present he works in private practice in the Inner West of Sydney. Steven completed a Masters in Clinical Psychology at UNSW, where his thesis centred on emotion perception in 'psychopaths'. Laurent's interest in anger arose in the 1990s during the completion of undergraduate degrees in Philosophy and Formal Logic at the Sorbonne in Paris.

Ross G. Menzies has been providing cognitive-behaviour therapy for anxiety, depression, couples conflict and related issues for over two decades and is currently Associate Professor in Health Sciences at the University of Sydney. He is an active researcher and currently holds over $5 million in national competitive research grants. He has produced four books, over 140 international journal manuscripts and book chapters and is regularly invited to speak at conferences and leading universities and institutions around the world. He continues to attract patients from across metropolitan Sydney, rural NSW, interstate and from overseas, with many individuals and families travelling thousands of kilometres to receive treatment at his private practice. The present book is his first major work on anger.