Olivier Nay is Professor of Political Science at the University Paris 1 Panthéon-Sorbonne, attached to the Centre d’études et de recherches administratives politiques et sociales (CNRS 8026). There, he directs the Master 2 program « Development and Humanitarian Action ». He was also a visiting professor at Columbia University in 2018 (New York).

He was Senior Adviser to the Global AIDS Coordinator at UNESCO, in partnership with the UNAIDS Programme (2003-07).

Olivier Nay has been a member of the Institut universitaire de France (2008-12), President of the Political Science Section of the National Council of Universities (2009-2015) and Vice-President of the Permanent Commission of the National Council of Universities (2011-15), Vice-President of the French Political Science Association (2010-16). He is currently a member of the Executive Committee of the International Political Science Association.

He is the author of numerous scientific publications on international organizations, development aid policies and the production of international development standards.