Founder of Topiary Finance Ltd., Nathalie M. Rachou is on the board of Veolia Environnement SA and 5 other companies. In the past Ms. Rachou was Member of Cercle d'Outre-Manche, Founding Partner of Topiary Finance Ltd., Head-Global Foreign Exchange at Banque Indosuez SA and General Counsel & Head-Foreign Exchange at Crédit Agricole Indosuez.

She received an undergraduate degree from École des Hautes Études Commerciales de Paris and an MBA from INSEAD.