Owner of Haig G. Mardikian Enterprises, a real estate investment business (1971-present); a General Partner of M&B Development, a real estate investment business (1983-present); President and Director of Adiuvana-Invest, Inc., a real estate investment business (1989-present); Director of The Walnut Management Company, a privately held family investment management company (2008-present). He is a past President and is a Director of the Foundation of City College of San Francisco (2006-present); President of The William Saroyan Foundation (1992-present), and a Director of the Near East Foundation (2007-present). He also presently serves as Chairman of the Board and Director of the Forward Funds, a mutual fund company.
He has served as the Chairman and Director of SIFE Equities Trust Fund, sold to Wells Fargo Bank in 2002, and Managing Director of the United Broadcasting Company, sold to American Radio Systems in 1996.
In other civic activities, he has served as a trustee of Trinity College, Hartford, Connecticut, and as Vice Chairman of the Commission on California State Government & Economy and the San Francisco Redevelopment Agency Commission. He is a former director and president of the Downtown Association of San Francisco and the Market Street Association, and a Director of the International House at the University of California, Berkeley, the San Francisco Chamber of Commerce, and the San Francisco Visitors & Convention Bureau. Haig also served as past president of the Golden Gate Restaurant Association and Better Business Bureau of San Francisco. He is a former advisor to the California Civil Liberties Public Education Fund and a member of the San Francisco Charter Revision Commission.
He has a BA from Trinity College and an MBA from Harvard University.