1. Visiting Fellow, Global Health Centre, Geneva Graduate Institute, Geneva, Switzerland
2. Director of Programs and Operations, Program on Global Health Justice and Governance, Columbia University School of Public Health, New York, USA
3. Chair in Health Systems, Complexity and Social Change, University of the Western Cape, Cape Town, South Africa
4. Extramural Unit on Health Systems, South African Medical Research Council, Pretoria, South Africa
5. Distinguished Fellow Emeritus, RTI International, Washington DC, USA
6. Honorary Assistant Professor, London School of Hygiene and Tropical Medicine, London, UK
7. Senior Researcher, Institute of Tropical Medicine, Antwerp, Belgium
8. Human Rights Advisor, World Health Organization, Geneva, Switzerland