Venture Partner

Stefan Ries, Ph.D.


Stefan joined Versant as an entrepreneur-in-residence based in Basel in July 2021 and was promoted to venture partner in December of that year. He brings considerable scientific and business experience. During a career spanning 16 years at Roche, he held a number of important leadership positions, most recently serving in the role of Global Head of External Innovation, Oncology.


Stefan is a biochemist and tumor biologist by training and earned his Ph.D. at the University of Regensburg, Germany, followed by post-doctoral training in Dr. Frank McCormick’s laboratory at the UCSF Helen Diller Family Comprehensive Cancer Center.