Hans Trees has been appointed as Global Head of Communications, Senior Vice President and member of the Extended Executive Committee at Lonza, effective 1 September 2026.
He succeeds David Carter, who has led the company's communications function since 2019.
Hans joins from Roche, where he most recently served as Global Head of External Engagement. During his 11 years with the pharmaceutical company, he held a number of leadership roles across its Pharmaceuticals Division and Group functions.
Prior to Roche, Hans worked in management consulting at Aon and investment banking at Rothschild.