Genentech has promoted three senior vice presidents, Ian T. Clark, commercial operations, David Ebersman, chief financial officer, and Patrick Yang, Ph.D., product operations, to executive vice president. All three will continue to serve on the company’s executive committee and will report to chairman and chief executive officer, Arthur D. Levinson, Ph.D. Mr. Clark is responsible for leading the company’s commercial operations, including sales, marketing, managed care, and comme...