Change location

You are about to change the origin location from where you are visiting

*The location of origin is defined in your browser settings and may not be identical with your citizenship and/or your domicile.

Guillaume Dubray

Guillaume Dubray


Managing Partner of Polytech Ventures, an early stage Venture Capital firm based in Lausanne (EPFL) and Silicon Valley investing in digital start-​up with a focus on FinTech and HealthTech. Guillaume is the founder of FUSION, Switzerland’s first FinTech accelerator based in Geneva. He previously co-​founded Active Niche Funds SA, an investment firm specialized in the CleanTech sector.
Before-​hand, he was responsible for various Venture Capital investment & advisory activities for Rothschild in Geneva. Guillaume has more than 15 years of experience in private equity and corporate finance and he started his career with Ernst & Young in Geneva and then moved to New York, where he worked as an M&A advisor on behalf of large US-​based Private Equity funds.