I studied Zoology in Oxford (1979-1982) before reading Medicine at Bart’s and Cambridge (1982-1986). After house jobs in Cambridge and Norwich I then spent 5 years training in Paediatrics working in Edinburgh, Oxford, Duke University and the Sick Children’s, Melbourne.

I studied for my DPhil (1993-1997) under the supervision of profs Andrew McMichael and Rodney Phillips before spending 3 years at the Partners AIDS Research Center in Boston, USA, under the mentorship of Prof Bruce Walker. Since 2000 I have been back, based in Oxford, in 2007 becoming a Lecturer in Paediatrics and Professor of Immunology the same year.

My research centres on (1) the mechanisms of immune control of HIV infection in children and adults; (2) the mechanisms of HIV cure/remission; and (3) the impact of early life immune sex differences on disease outcomes. Based at the Peter Medawar Building in Oxford, this work is focused on the HIV epidemic in South Africa through long-term links in Durban with the Doris Duke Medical Research Institute at the University of Kwa-Zulu-Natal, CAPRISA and the African Health Research Institute (AHRI). In addition, this work is also supported by long-standing collaborations with colleagues at the Ragon Institute of MGH, MIT and Harvard in Boston where I am a Research Associate.