Delta Sigma Pi is one of the largest co-ed professional business fraternities. Delta Sigma Pi was founded on November 7, 1907 at the School of Commerce, Accounts and Finance, New York University, New York, New York by four men: Alexander Frank Makay, Henry Albert Tienken, Harold Valentine Jacobs, and Alfred Moysello.  Currently headquartered in Oxford, Ohio, Delta Sigma Pi has over 270 chapters with over 226,000 members all in support of the goals and ideals of the Fraternity.