Joëlle Toledano is Professor Emeritus, formerly Professor of Economics at the University of Paris Dauphine-PSL, associated with the Chair of Governance and Regulation. She is a member of the Board of Directors of the Agence Nationale des Fréquences and two digital start-ups, as well as a member of the Conseil National du Numérique (CNNUM) and the Académie des Technologies.

Joëlle Toledano holds a doctorate in mathematics and a doctorate in economics. She had a dual career, in academia and in business, before developing a passion for public policy and regulation. She began her career as a research associate at the CNRS, then as a lecturer in economics at the University of Rouen. At the same time, she held various management positions in IT companies. In 1993, she joined La Poste group, where she was Director of European and National Regulation from 2001. In early 2005, she was appointed University Professor at the Ecole Supérieure d'Électricité (Supélec).

Joëlle Toledano was a member of the College of ARCEP (mid-2005-2011). In 2014, she submitted a report written at the request of the government, "Dynamic spectrum management for innovation and growth", to Ms Axelle Lemaire, Secretary of State for Digital Affairs. She has published several books and numerous scientific and general public articles in the fields of macroeconomics, industrial economics and the economics and regulation of digital, electronic communications and postal services.