Donald A. Goer

Varian Medical Systems, Inc. engages in the manufacture of medical devices and software for treating cancer and other medical conditions. It operates through the Oncology Systems and Proton Solutions segments. The Oncology Systems segment designs, manufactures, sells, and services hardware and software products for treating cancer with conventional radiation therapy, and advanced treatments. The Proton Solutions segment delivers proton therapy, a form of external beam radiotherapy using proton beams for the treatment of cancer. The company was founded by William Hansen, Edward Ginzton, Russell Varian, and Sigurd Varian in 1948 and is headquartered in Palo Alto, CA.

IntraOp Medical Corp. develops, manufactures, markets and services the Mobetron. Its product Mobetron is used by the cancer physicians in the hospitals, clinics and academic centers in the world. The Mobetron is the mobile, self-shielded electron linear accelerator (LINAC) designed to deliver Intraoperative Radiation Therapy (IORT) to cancer patients during surgery. The company was founded by Mary Louise Meurk and Donald A. Goer on April 4, 1993 and is headquartered in Sunnyvale, CA.

Schonberg Research Corp manufactures linear accelerators for medical and industrial research, as well as providing integrated services digital network.