Leon Levin Dr Leon Levin MBBCh(Wits), FCPaed(SA), DTM&H is a paediatrician who has been treating HIV infected infants, children and adolescents for the past 25 years. From 2013-2018 he was Head of Paediatric HIV Programmes and is currently Senior Technical Advisor in Paediatrics at Right to Care NGO. He was the Chairman of the Paediatric Subcommittee of the SA HIV Clinicians Society from 1999-2011 and was the convenor of the Southern African HIV Clinicians Society Paediatric Antiretroviral Guidelines 2000, 2002 and 2005 and Co-convenor for the 2009 guidelines. He has been on the SA DOH Paediatric and Adolescent ART Guidelines Committees and is on the Paediatric 3rd line ART Committee for the SA DOH. He founded and runs the South African HIV Clinicians Society Paediatric Discussion Group which is an Internet based forum for clinicians to discuss and learn about problems in paediatric patients with HIV. He has given numerous lectures and HIV viral resistance workshops throughout Africa. His Current areas of interest include infants, children and adolescents with HIV infection, new paediatric ART formulations, treatment failure and drug resistance and HIV disclosure to adolescents.