H. Bert Mack

Hyman Bert Mack ( Makofsky; August 1, 1909 – May 8, 1992) was an American real estate developer, founder of the Mack Company, and patriarch of the Mack family.

Biography H. Bert Mack founded the Mack Company, serving as chairman of the board until his death in 1992. In the 1960s, he bought thousands of acres of undeveloped land in the New Jersey Meadowlands and built warehouses and office buildings on it. who had a $600,000 investment in the purchase.

In 1997, Mack's sons merged the Mack Company with the Cali Realty Corporation (co-founded by Edward Leshowitz and brothers John J. Cali and Angelo R. Cali) creating Mack-Cali Realty Corporation, the largest office-property owner in New Jersey. Mack's sons (David, Earle, William, and Fredric) all became directors of the new entity. They had four sons: Earle I. Mack, William L. Mack, Fredric H. Mack, and David S. Mack. Mack and his wife lived in Palm Beach, Florida and Jamaica Estates, Queens. Mack died of lymphoma in 1992 at his home in Palm Beach, Florida.