Markus U. Diethelm


Elected as Co-Chairman of the American Swiss Foundation in 2021, Markus U. Diethelm has been Group General Counsel of UBS Group AG since 2014, having held the same position at UBS AG since 2008, when he became a member of the GEB. He was a member of the Executive Board of UBS Business Solutions AG from 2015 to 2016. From 1998 to 2008, he served as Group Chief Legal Officer at Swiss Re, and he was appointed to that company’s Group Executive Board in 2007. Prior to that, he was with Los Angeles-based law firm Gibson, Dunn & Crutcher and focused on corporate matters, securities transactions, litigation and regulatory investigations while working out of the firm’s Brussels and Paris offices. From 1989 to 1992, he practiced at Shearman & Sterling in New York, specializing in mergers and acquisitions. In 1988, he worked at Paul, Weiss, Rifkind, Wharton & Garrison in New York. After starting his career in 1983 with Bär & Karrer, he served as a law clerk at Uster District Court in Switzerland from 1984 to 1985.

Mr. Diethelm holds a law degree (lic. iur.) from the University of Zurich, a master’s degree (JSM) and a doctoral degree (JSD) from Stanford Law School. He is a qualified attorney-at-law admitted to the bar in Zurich, Geneva and New York State. He serves as Chairman of the Swiss-American Chamber of Commerce’s legal committee; Member of the Supervisory Board of the Fonds de Dotation LUMA / Arles; and Member of the New York State Council of Business Leaders in Support of Access to Justice..