
Īn active member of the fraternity is a full-time enrolled student at his chapter's host institution at the undergraduate, graduate, or post-graduate level all others, including members who have graduated or transfer to a school without a Phi Psi chapter, are considered alumni.

Sportsmen include Heisman Trophy winner Nile Kinnick, Olympic gold medalists including 7-time gold swimmer Mark Spitz, "Father of College Basketball Coaching" Phog Allen, NFL visionary Tex Schramm, and Commissioner of Baseball Ford Frick. Three Phi Psis have served as presidents of the American Bar Association.

Monnette, Dow Chemical founder Herbert Dow, PIMCO founder Bill Gross, and Yahoo! founder Jerry Yang. Phi Psi businessmen include Bank of America founder Orra E. Journalist Sy Hersh has won the Pulitzer Prize, Orwell Award and George Polk Award. In the arts, Phi Psis have received Academy Awards, Emmys, Golden Globes, Grammys, and Tony Awards. Air Force" Billy Mitchell, World War I Army Chief of Staff Tasker Bliss, National Security Agency director Kenneth Minihan, and three Judge Advocate Generals. Amidst the Phi Psis who have served in the military are dozens of generals and admirals, including "Father of the U.S. Academian Phi Psis include over a dozen university presidents (among these are Priestley Medal recipient Edgar Fahs Smith, and Presidential Medal of Freedom recipient Detlev Bronk), Rhodes scholars, and Pulitzer Prize-winning historian Frederick Jackson Turner. founder Mike Bloomberg, over a dozen state governors, two directors of the Peace Corps, and "Wild Bill" Donovan, the founding director of the Office of Strategic Services (the Central Intelligence Agency's predecessor) and recipient of the Medal of Honor and of the Freedom Award. President and Nobel Peace Prize recipient Woodrow Wilson, over a hundred members of Congress (including 18 senators and Speaker of the House Warren Keifer), three-term New York City Mayor and Bloomberg L.P. More than 112,000 men have been initiated into Phi Kappa Psi since its founding, and many have achieved recognition in their field. There are over a hundred chapters and colonies at accredited four year colleges and universities throughout the United States. Phi Kappa Psi ( ΦΚΨ), also called "Phi Psi", is an American collegiate social fraternity founded at Jefferson College in Canonsburg, Pennsylvania on February 19, 1852. Phi Kappa Psi founders William Henry Letterman and Charles Page Thomas Moore
