Michael (Mike) Simon Youle (born 1960)[1] is a British doctor and clinical researcher specializing in HIV treatment.
Youle has been Director of HIV Clinical Research at the Royal Free Hospital in London and Honorary Senior Lecturer in Public Health at the Royal Free & University College Medical School (now UCL Medical School) since 1996.
[3][4] Youle is noted for introducing the concept of mass pre-exposure prophylaxis for HIV to a wider audience at the XVIth International AIDS Conference in Toronto, Ontario, Canada in 2006.
[citation needed] Other recent research interests include ageing in HIV-positive people.
[citation needed] Youle is a board or committee member of the British HIV Association (responsible for the British HIV therapeutic guidelines), International Association of Physicians in AIDS Care and the MANON Therapeutic Vaccine Programme.