Stephane Rio is the CEO of Swapstream, a wholly owned subsidiary of the CME Group based in London. He previously was with Commerzbank in Frankfurt and London, where he served as head of interest rate swap trading. Rio replaced former CEO Marcus Grubb, who departed this summer citing "personal reasons".
Rio graduated from Ecole Polytechnique and also studied finance and economics at the Ecole Nationale de la Statistique et de l'Administration Economique. He also holds a DEA on stochastics models from the University Paris Jussieu.