Marcus & Millichap Real Estate Investment Services has named John Horowitz regional manager of the firm's Brooklyn office, according to John Kerin, president and CEO. "As sales manager of the Brooklyn office, John has demonstrated his expertise in expanding our national market-making capabilities to clients throughout the Tri-State area," said Kerin. "As regional manager, John will continue to expand the Brooklyn office and to provide leadership and support to our investment professionals." Horowitz began his career with Marcus & Millichap in December 2006 as an agent in the Brooklyn office and became the sales manager in October 2010. Prior to joining Marcus & Millichap, he worked as a corporate lawyer. Horowitz received a bachelor's degree in political science from Tufts University and a law degree from Fordham University.