Medical school training at the Albert Ludwig University in Freiburg, Germany 1976-1982
Postgraduate training in General Surgery and Internal Medicine in Berlin, Germany 1983-1987
Ran a trauma center for victims of political violence in South Africa 1987-1989
Emergency Medicine, Johannesburg, South Africa 1989-1991
Residency in Pediatrics, Georgetown University 1992-1995
Chief Resident 1996
Attending pediatrician and pediatric nephrologist, Chris Hani Baragwanath Hospital, Soweto, South Africa 1996-2001
Attending pediatrician and Residency program Director for Pediatrics at Georgetown University, since 2001