Delta Sigma Pi (ΔΣΠ) (officially the International Fraternity of Delta Sigma Pi, Inc.) is a coeducational professional business fraternity and one of the largest in the United States. Delta Sigma Pi was founded on November 7, 1907, at the School of Commerce, Accounts and Finance of New York University (NYU) in New York, New York and is currently headquartered in Oxford, Ohio. The Fraternity has 224 active collegiate chapters, 7 colonies, 57 active alumni chapters, and 300,000 initiated members.