Timothy E. Guertin
Vice Chairman of the Board
Timothy E. Guertin, vice chairman of the Varian Medical Systems Board of Directors, served as president and chief executive officer of the company from 2006 to 2012.
Mr. Guertin joined Varian in 1976 and since then has served in major management positions over his 30-plus years with the company. Prior to being appointed CEO in February, 2006, he served as Varian's president and chief operating officer. Mr. Guertin was named a corporate vice president in 1992 and executive vice president in 1999. At one time he was general manager and then president of Varian's Oncology Systems business, the company's largest business and the world's leading supplier of medical devices and software for treating cancer and other medical conditions with radiotherapy, radiosurgery, and brachytherapy. Prior to becoming head of the Oncology Systems business, he held a variety of positions, including general manager of customer support. He holds a BS in electrical engineering and computer sciences from the University of California at Berkeley.
Mr. Guertin is the current chairman of the Board of Directors of the AeA (American Electronics Association), a nationwide trade association that represents all segments of the technology industry, and he is a member of that organization's Silicon Valley/Northern California Council. He is also a member of the Board of Directors of the Diagnostic Imaging Section of NEMA (National Electrical Manufacturers Association), and he serves as chairman of NEMA's Therapy Systems Division. In addition, he sits on the corporate councils of the American Society of Therapeutic Radiology and Oncology (ASTRO), and the Canadian Association of Radiation Oncologists (CARO), professional organizations of radiation oncology clinicians.