Mr. Mack is the chairman and founder of the real estate investment firm, Mack Real Estate Group. The company specializes in domestic and international real estate development opportunities and the property management of the company’s commercial assets. Prior to launching Mack Real Estate Group, he was the founder and chairman of AREA Property Partners (formerly Apollo Real Estate Advisors). He is the former chairman of the board of directors of Mack-Cali Realty Corporation and the president and CEO of the Mack Organization. Mr. Mack is a director of Hudson’s Bay Company and a former director of Florida Community Bank (now Synovus Financial Corporation). He is the former chair of the board of overseers of The Wharton School and a former vice chair of University of Pennsylvania’s board of trustees and Wharton Real Estate Center Advisory Board. Mr. Mack is the chairman emeritus of the board of trustees of the Solomon R. Guggenheim Foundation, and currently serves on its executive committee. He is vice chairman of Northwell Health (formerly known as North Shore-Long Island Jewish Health System); he is also a trustee and member of the executive committee of Lenox Hill Hospital. Mr. Mack is a past director of Retail Opportunity Investments Corporation; Wyndham International, Inc.; the Bear Stearns Companies, Inc.; Vail Resorts, Inc.; and the Empire State Development Corporation. He is a former member of the Regional Advisory Board of JP Morgan Chase, a past chairman of the Long Island Power Authority, the Jacob K. Javits Convention Center Development Corporation of New York, and the New York Convention Center Operating Corporation.

Mr. Mack attended Brooklyn Technical High School, University of Pennsylvania and Wharton School of Business and Finance, and School of Business of New York University.