William A. Millichap joined the company, called G.M. Marcus Company at the time, as an investment broker shortly after its founding in 1971. His career progressed rapidly. After becoming regional manager of the Palo Alto office in the mid-1970s, he went on to be president and a director of the company from 1985 to 2000 and was co-chairman of the board until his passing in June 2020.
Mr. Millichap was also the managing partner of Marcus & Millichap Venture Partners (MMVP). In his role as managing partner, Mr. Millichap was the founder of AllApartments.com, which was acquired by Homestore. Homestore went public shortly after the acquisition. Under his leadership, MMVP also invested in Loopnet and REIS Reports both of which went public. MMVP was also an early investor in Multifamily Technology Solutions which was acquired by RealPage (RP, NASDAQ) in 2011. Mr. Millichap served on the board of directors of all four entities. He also served on the board of directors of Essex Property Trust (ESS, NYSE) from 1994 to 2009 and on the board of directors of the Mid Peninsula Bank of Commerce. Mr. Millichap was also one of the founders of San Jose National Bank. He served on the executive committee board of directors of the National Multi Housing Council (NMHC) and was the Chairman of the Political Action Committee for the NMHC. He was also a member of the International Council of Shopping Centers, the Urban Land Institute, and the National Venture Capital Association. Mr. Millichap received a B.S. in Economics from the University of Maryland and served as an officer in the United States Navy prior to being hired by George Marcus in 1971.