Harry P. Gelles

AmeriVest Properties, Inc. operates as real estate investment trust. It invests in estate equities, mortgages, mortgage-backed securities and other real estate investment trust securities. The company was founded in 1999 and is headquartered in Denver, CO.

CytomX Biosystems develops and commercializes instruments to support the analysis of mammalian cells, viruses, bacteria, and molecular libraries. It specializes in the detection of cancer, development of advanced diagnostics, and the discovery and validation of novel therapeutic solutions. The company was founded by Dr. Hyongsok Soh in 2006 and is headquartered in Santa Barbara, CA.

Del Webb Corp. builds homes and provides recreational facilities. It designs, develops and provides general contracting, remodeling and renovation services for residential buildings, including Single-family and multi-family houses, townhomes, apartments, and modular housing. The company was founded by Del E. Webb in 1928 and is located in Bloomfield Hills, MI.

Goldman Sachs Bank AG engages in the provision of banking and financial services. Its business activities also include securities trading, asset management, and investment consulting. The company was founded on May 27, 1992 and is headquartered in Zurich, Switzerland.

White, Weld & Co. LLC provides financial services. The private company is based in New York, NY.

Russell Reynolds Associates, Inc. provides executive recruitment services. Its services include chief executive officer and board advisory services, culture assessment, executive search, global supply chain and leadership assessment. The company was founded in 1969 and is headquartered in New York, NY.

Part of Reliance Steel & Aluminum Co., Crest Steel Corp. provides metal processing services. The company is based in Carson, CA. Crest Steel was acquired by Reliance Steel & Aluminum Co. on January 04, 2007.

Part of thyssenkrupp AG, Clark Metals, Inc. is a processor and distributor of specialty metal products. The company is based in Gardena, CA. Clark Metals was acquired by Thyssen Inc North America on January 10, 1997.