Mark A. Harrington

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.

Vixel Corp. provides storage networking technologies. The company provides storage switches for storage area networks. It provides services to Avid Technologies, BlueArc, Compaq, Fujitsu Softek, IBM, Lucent, Network Appliance and Sun Microsystems. The company founded in 1991 and is headquartered in Bothell, WA.

Finisar Corp. operates as an optical communications company. The firm provides components and subsystems to networking equipment manufacturers, data center operators, telecom service providers, consumer electronics and automotive companies. Its products include optical transceivers, active optical cable, optical engines, communication components, sensing components, and optical instrumentation. The company was founded by Frank H. Levinson and Jerry S. Rawls in April 1987 and is headquartered in Sunnyvale, CA.

Cielo Communications, Inc. manufactures optical components for telecommunication infrastructure. The company was founded on May 2, 1985 and is headquartered in Austin, TX.

Part of Thermo Fisher Scientific, Inc., Spectra Physics Analytical is a company that manufactures laboratory instruments. The company is based in Fremont, CA. Spectra Physics Analytical was acquired by Thermo Instrument Systems, Inc. from Ciba-Geigy AG on January 15, 1993 for $69 million.

Part of Thermo Fisher Scientific, Inc., Spectra-Physics Lasers, Inc. manufactures lasers, scientific products and RandD.