Fast Facts

  • Founding date: June 1st, 1847
  • Founders: John Bradt Yates Sommers, John Moon Skillman, and William Henry Dayton
  • Founding chapter: Phi chapter, New York University
  • For a list of all active/inactive chapters, please visit the chapter list

Some Zeta Psi “Firsts”

  • Zeta Psi was the first collegiate fraternity to establish a chapter on the West Coast of the United States with its Iota Chapter at the University of California, Berkeley (1870)
  • The first to establish a chapter in Canada with the Theta Xi chapter at the University of Toronto (1879)
  • The first to have an active chapter at all Ivy League schools simultaneously
  • The first to establish a chapter outside of North America with its Iota Omicron Chapter at the University of Oxford (2008)
  • The first International Fraternity to initiate a Colony virtually. At George Mason University(2020)