David S. Mack

David S. Mack (born January 25, 1942) is an American businessperson who operated The Mack Company, a New Jersey–based real estate firm founded by his father H. Bert Mack.

Mack has been a major donor to Republican candidates, including Governor George Pataki. Pataki appointed Mack to the Board of Commissioners for the Port Authority. Mack has also been on the board of the Metropolitan Transportation Authority over the period 1993 to 2009 and since 2019.

Early life and education Mack was born to a Jewish family, the son of Ruth (née Kaufman) and H. Bert Mack. His father founded the real estate development company, the Mack Company.

Career Mack is senior partner of The Mack Company, a real estate development firm. The Mack Company merged with Cali Realty Corporation in 1997 – Mack is a director of Mack-Cali Realty Corporation.

Public service Mack is a member of the boards of Boys Town Jerusalem, Hofstra University, Israel Bonds, Joseph L. Morse Geriatric Center, New York Holocaust Memorial Committee, North Shore-Long Island Jewish Health System Foundation, Palm Beach Community Chest and United Way, Pratt Institute, United Jewish Appeal (UJA) of Greater New York and Long Island,

He appointed to the Board of Commissioner at the Port Authority of New York and New Jersey by New York Governor George Pataki, until he was forced to resign in 2009.

He has been an honorary deputy superintendent of the New York State Police since 1995 despite having no law enforcement experience. He frequently appeared at State Police formal functions in full dress uniform,

Mack has a longstanding relationship with the Nassau County Police Department where he has served as an unsalaried assistant commissioner since at least the mid-1980s. His term ran through June 30, 2009.

Mack was reappointed to the MTA board in 2019 as the representative for Nassau County. In 2022, the MTA took away placards from MTA board members which had allowed them to park anywhere in the city legally.