Karsten Sommer is founder and managing director of FIMAS GmbH. He worked in different management positions before he established FIMAS in 2006, among others as the sole director of a Bafin regulated alternative trading platform. Karsten Sommer began his career 1993 at Accenture, and joined Deutsche Börse Group in 1996 where he worked as Senior Project Manager for several years. 


Ralf Dreyer is Head of Business Development at FIMAS. He joined from a position as Managing Principal from a consultancy firm specialised in capital markets. In previous roles, Ralf Dreyer was responsible for managing the business and product development activities of Börse Stuttgart and Euwax, and worked for Eurex for 14 years. At Eurex he was responsible for the worldwide market and product development for equity and index derivatives.


René Winkler is Head of Consulting at FIMAS. He joined from a position as Managing Director from Eurex Repo GmbH, a firm specialized in secured funding in the interbank market. Prior to this, he worked as Senior Consultant in various assignments in Eurex and Deutsche Börse Group. In addition, René Winkler has more than 10 years experience in banking, gained in product development for the custody and settlement business of for Dresdner Bank AG.