Clarisse has been Head of the Data Governance and Privacy (DGP) Unit of the OECD, which supports the work of the OECD in the field of data governance, data flows and privacy, since August 2022.

Prior to taking up this position at the OECD, Clarisse spent 7 years in Singapore, where she held a first position as a Senior Fellow at the Asian Business Law Institute (ABLI), a pan-Asian legal think tank hosted by the Supreme Court of Singapore and the Singapore Academy of Law. At ABLI, she led a flagship project on the convergence of data privacy laws and data flow regulations in 14 Asian jurisdictions. In August 2021, she created the position of Managing Director of the APAC office of the Future of Privacy Forum (FPF) and was an adviser to the TMT firm of Rajah & Tann Asia, Singapore's leading law firm, until she took up her duties at the OECD.

From 2001 to 2015, she held various positions including head of the Department of European and international affairs and senior advisor to the President at the French Data Protection Authority (CNIL). She was a member of the Jersey Data Protection Authority (JDPA) from October 2018 to July 2022.

Clarisse holds a Master’s degree in law and a postgraduate degree in Intellectual Property from the University of Paris Panthéon Assas, a Magister Juris (MJur) from the University of Oxford and a Doctorate (cum laude) in Comparative Law obtained at the Tilburg Institute for Law, Technology, and Society (TILT) in the Netherlands.