Medical degree from University of Melbourne and Royal Melbourne Hospital Australia 1972. Fellowship of Royal Australasian College of Surgeons and Royal College of Surgeons of England 1980 in General Surgery. Bariatric surgery commenced in 1981 under the mentorship of Michael Long at Royal Melbourne Hospital. Continued public hospital practice in General and Bariatric Surgery at Box Hill Hospital from 1983 to 2005 and also private practice in Melbourne. Founding member of Obesity Surgery Society of Australia and New Zealand and later President (1993-1998). Founding Vice-President of IFSO (1995-2000) and President 2001. Executive Director of IFSO 2003-2006. Foundation Associate Editor of Obesity Surgery journal 1991- 2003. Honorary Member of the American Society for Bariatric Surgery 1997. Honorary Member Obesity Surgery Society of India 2003. Life Member Obesity Surgery Society of Australia and New Zealand 2008. Life member IFSO 2011. Retired from bariatric surgery 2005 and all surgery 2016.