Commercial real estate leasing specialist, Marc Horowitz, has been promoted to the position of senior vice president of Cohen Brothers Realty Corp., according to Charles Cohen, president and CEO of the company. Horowitz, who joined Cohen Brothers 3.5 years ago, has handled all aspects of leasing for the firm's large Manhattan office portfolio as well as its Westchester, Florida and California properties. "Marc has proven his expertise is not limited to a single market and has done an outstanding job in executing over a million square feet of transactions throughout our national portfolio," said Cohen. "We look forward to his continued success in his new post." Prior to joining Cohen Brothers, where he most recently served as vice president of leasing, Horowitz was with the Kaufman Organization. There, over a 12-year period, he wore the hats of both a broker and agent, handling in-house and 3rd party agency work for the Kaufman firm as well as for Robert Savitt and Olmstead Realty. A member of the Real Estate Board of New York, Horowitz is a graduate of the University of Hartford. Among the other signature Manhattan office buildings owned and managed by Cohen Brothers are 623 Fifth Ave., 135 East 57th St., 805 Third Ave., 3 Park Ave., 622 Third Avenue, 979 Third Ave., 3 East 54th St., 475 Park Ave. South and the D&D Building at 979 Third Ave.