Following his degree in Economics at LMU Munich, Marcus worked as Purchasing Director for Siemens. In 2001 he founded TWS Partners together with Prof. Achim Wambach (today Director of the ZEW Mannheim Centre for European Economic Research). With many years of strategic Procurement experience and industry knowledge, he specialises in applied industrial economics and market design. He also supports companies in applying game-theoretical knowledge in complex Procurement decisions.