With a university background in economics and sociology, Olivier Maguet has been campaigning in the field of HIV/AIDS, viral hepatitis and Harm Reduction since the end of the 1980s. In 2006 he joined French medical NGO Médecins du Monde, drawing up and implementing the Afghanistan HR programme for which he remained the volunteer head of mission until January 2013. In 2010 he was elected to the MdM Board of Directors and was appointed senior advisor for operational and advocacy programmes related to HIV/AIDS, viral hepatitis and HR in MdM network.
Olivier Maguet is an active international Harm Reduction stakeholder linked with key global organizations as Harm Reduction International, International Drug Policy Consortium, International Network of People using Drugs. He is a member of the UN Drug Civil society group.