Following her studies, she successively occupied Professorial positions at the University of Angers, Université Paris-Dauphine, and Sciences-Po. She founded a Master of Advanced Studies in Economic Law at each of these establishments. Within Sciences-Po, she founded the Chaire Régulation in 2000, which is a structure for performing research and organising events, and directed it until 2009. Her research goals have been developed throughout her various responsibilities in education, publication, and consulting for governments and private businesses: she has established a theoretical position based on law, economics, and politics, on the rules and decisions characteristic of regulated sectors. When she arrived at Sciences-Po in 2001, she founded the Master in Economic Law, which she directed until 2009. She founded the published in paper format and on the Internet. She created two editorial collections, Cours Dalloz published by Dalloz, and Droit et Economie published by LGDJ. She created her own publishing house, MAFR Publishing, in 2010.
Publications, Speaking Engagements, Research Interests
Marie-Anne Frison-Roche has written about fifteen books, edited about forty, and written about 250 articles and monographs. A large part of her work is available on . From a qualitative point of view, her main area of expertise is regulation. In 2000, wrote the seminal articles on what has since come to be known as "Regulatory Law" and participated in the implementation, both in France and abroad, of successful and effective economic regulation of various sectors. She wrote the major reference works concerning regulation in France, especially Les 100 mots de la régulation and the Précis Dalloz du droit de la régulation. She approaches regulation from the triple angle of Law, economics, and political science. Many French and foreign regulators call upon her to draw up reports and studies. The publication she founded, is sponsored by more than forty corporate partners and all of France's specialized regulators are members of its Global Committee. It is widely believed that Marie-Anne Frison-Roche is the reference in terms of directly applicable doctrine in Regulation. She continues her work on the role of States in global economic regulation, and publishes legal sociology articles, drawing especially on her experience at the laboratoire de sociologie juridique of Panthéon-Assas University, founded by Jean Carbonnier, which she directed for many years.