David Kaufman has been appointed senior VP of leasing for SL Green Realty Corp. Kaufman is assuming senior level responsibilities for office space leasing in the company's Manhattan portfolio. He will report to Steven Durels, the company's executive VP and director of leasing and real property. Kaufman joins SL Green with 15 years of experience in the commercial real estate industry. For the past two years he has been director of leasing for The Winter Organization. Kaufman graduated cum laude from Brooklyn Law School in 1988 and was an editor for the Brooklyn Law Review. He has a bachelor of arts degree from Drew University.