Newmark shake-up sees young upstart tapped to head TF Cornerstone leasing

Matt Leon, a young upstart at real estate services firm Newmark Knight Frank, is taking over as head of a leasing team that handles the Manhattan office portfolio of TF Cornerstone, the New York Observer reported, including Carnegie Hall Tower, 645 Madison Avenue and 387 Park Avenue South.

Leon takes over leasing at the properties from his former mentor Billy Cohen, the Observer said, a top Newmark broker who is stepping down because of growing responsibilities tied to other agency assignments. He handles leasing at Malkin Properties’ assets like the Empire State Building. [NYO]