Christoph Rentsch serves as the Chief Financial Officer at Santhera Pharmaceuticals. He served as a Board Member at Cellestia Biotech. He is an Angel Investor. He served as the Chief Financial Officer of Polyphor. Prior to joining Polyphor he was a partner of Caperis Ltd, an investment advisory and management firm. Previously he worked in various senior management functions for the Alusuisse-Lonza Group both in Switzerland and in the US (NY and PA) and as an associate in the equity capital markets group of Credit Suisse.