Ian Clark is executive vice president, Commercial. Clark is responsible for leading all aspects of Genentech's Commercial functions, including the Sales, Marketing, Managed Care/Customer Operations and Commercial Operations groups. Clark is a member of Genentech's executive committee.

Clark joined Genentech in 2003 as senior vice president and general manager, BioOncology and led the company's commercial efforts in BioOncology, including overseeing sales, marketing and planning. Most recently, Clark served as senior vice president, Commercial, and in January 2006 Clark was promoted to his current role.

Prior to joining Genentech, Clark served as president of Novartis Canada, overseeing all of the company's country operations. Before assuming his post in Canada, Clark served as chief operating officer for Novartis United Kingdom. Prior to joining Novartis in 1999, Clark worked in vice presidential roles in sales and marketing for Sanofi (Aventis) and Ivax in the United Kingdom and Eastern Europe. Clark started his career at Searle, where he held management positions in both sales and marketing.

Clark serves on the corporate board of Vernalis, a specialty biopharmaceutical company based in the United Kingdom.

Clark received a Bachelor of Science degree in biological sciences from Southampton University in the United Kingdom.