Sean Givens

Bechtel Corp. operates as an engineering, construction, and project management company. Its portfolio encompasses energy, transportation, communications, mining, oil and gas, and government services. The firm also raises finance from a host of international lenders including commercial banks, multilateral and bilateral lending institutions, export credit agencies, and the capital markets. The company was founded by Warren A. Bechtel in 1898 and is headquartered in San Francisco, CA.

Part of Sierra Nevada Co. LLC, Inter-4 is a company that manufactures military computer and handheld electronics. The company is based in San Francisco, CA. Inter-4 was acquired by Sierra Nevada Co. LLC on October 01, 2003.

Varian, Inc. provides scientific instruments and vacuum technologies for life science, environmental, energy, applied research and other applications. The company offers instruments, vacuum products, laboratory consumable supplies, software, training and support services. It has manufacturing facilities in North America, Europe and Asia Pacific. Varian was founded in 1999 and is headquartered in Palo Alto, CA.

Cellerant Therapeutics, Inc. develops stem cell-based cellular and antibody therapeutics for blood disorders and cancer. The firm focuses on curative therapies for seriously ill patients and is developing a cell-based medicine as a treatment for chemotherapy and radiation-induced neutropenia as well as for Acute Radiation Syndrome. The company was founded by Irving L. Weissman in 2003 and is headquartered in San Carlos, CA.

PositiveID Diagnostics, Inc. provides biological research and development services. The firm specializes in the production of automated instruments for different applications in the detection and processing of biological samples. The company was founded by M. Allen Northrup in 2001 and is headquartered in Delray Beach, FL.