STD control, CDC Atlanta
HIV drug resistance, EU
SCI Programme, Harvard
Leishmania Programme, Institut Pasteur
Bioterrorism models, NIH
AIDS epidemiology, UNAIDS
STD control, University of Washington, Seattle
Honess Memorial Lecture, National Institutes for Medical Research, UK, 2001, "The evolution of drug resistance and its control"
Sir Henry Tizard Lecture, Westminster School, 2001, "Epidemics of Infectious Diseases in livestock"
The first Macaulay Institute, Royal Society of Edinburgh SABRI Lecture 2002, "Epidemics of infectious diseases in livestock: the interface between scientific research and policy formulation"
The Fogarty International Lecture, National Institutes of Health (NIH), Bethesda, USA, 2001 "The population biology of HIV pathogenesis and the evolution of drug resistance in treated patients"
The Nuffield Medal Lecture, 2002, "The AIDS pandemic and the threat of drug resistance in developing and developed countries"
ICAAC Award lecture, 'Transmission dynamics of infectious diseases', ICAAC, 2004