Breteau has 20 years of experience in clearing, prime brokerage, electronic trading and market infrastructure. He was previously CEO of Newedge. He was named to that position in early July 2010, succeeding Patrice Blanc. He resigned in November 2013 in a management reshuffle at the world’s largest futures broker as it prepares for full ownership by Société Générale. 
Before that he was the global head of sales and front office for the company. He was also on Newedge's group executive committee. He serves as a member of the board of directors of the Futures and Options Association.
Breteau began his career with Fimat in 1993, after serving as an inspector for the Matif (French Derivatives Exchange). Over the years, he held positions as financial controller for the European zone, deputy general manager in charge of sales in Paris, deputy general manager for the UK, and CEO of the UK in 2003.
Previously, Breteau was CEO Newedge Europe and Middle East since the formation of Newedge Group in January 2008.
Breteau has a degree from the Ecole Supérieure de Commerce de Bordeaux-Ecole de Management.