He is currently the CEO of Odyssey House Victoria and the President of the Victorian Alcohol and other Drug Association. In the past, Stefan has worked as a senior counsellor in a range of settings and has conducted research on alcohol use, treatment effectiveness, intimacy, family work and fathers. Stefan has contributed to several resources for workers around parenting and family violence, and he regularly provides advice to government. In 2008, Stefan was invited to a meeting on global drug policy held at the United Nations Office on Drugs and Crime in Vienna, and he received a Harvard Fellowship to attend Harvard Business School in 2014. He regularly delivers presentations at national and international conferences. Stefan has two young sons, is a junior cricket coach, and enjoys travel, renovating, sport, gardening and cooking.