Régis Bismuth holds a doctorate in public international law from the University of Paris 1 Panthéon-Sorbonne (2009) and is an associate professor of public law (2012). He is also a graduate of Columbia Law School (LL.M., 2009). His doctoral thesis on International cooperation of financial sector regulatory authorities and public international law was awarded the Joseph Hamel Prize by the Academy of Moral and Political Sciences (Institut de France).

Before joining the Sciences Po Law School in 2016, he was a lecturer at the University of Paris Ouest Nanterre la Défense (2010-2012) and then a professor of public law at the University of Poitiers (2012-2016) where he co-directed the Master's program in international litigation law. He has taught at the universities of Paris 1 Panthéon-Sorbonne, Strasbourg, Bucharest, Belo Horizonte and Natal, among others.

His research and teaching activities focus mainly on public international law, economic integration law (WTO, international investments, monetary and financial regulation), international litigation law and European law (EU and ECHR). He is the author of several articles in French and English on topics such as sovereign wealth funds, sovereign debt, international financial standards, sovereign immunities, international organizations, economic sanctions, corporate liability, international arbitration and freedom of the press.

He is a member of the International Law Association (ILA) and its Working Group "The use of private law principles for the development of international law". He is also Director of Studies of the French Branch of the ILA and a member of its executive board. He is also a member of the Scientific Committee of the International Review of Financial Services / Revue Internationale des Services Financiers (Bruylant).