The Pyramid Leadership Institute. Chapters These are the chapters of Tau Delta Phi. Active chapters noted in bold, inactive chapters noted in italics. The Wikipedia article for Omicron Alpha Tau lists a Marquette University chapter of that fraternity, noting it supposedly merged into Tau Delta Phi in . But Baird's Archive has no listing of a Tau Delta Phi chapter at Marquette, in the article. Notes Notable alumni Len Berman, sportscaster, NBC Colonel Bernard Bernstein, Army financial adviser to Dwight Eisenhower Gilbert Cates, producer/director Sammy Davis Jr., entertainer Kinky Friedman, musician, humorist, novelist, politician Donald P. Greenberg, the Jacob Gould Schurman Professor of Computer Graphics at Cornell University Floyd Little, Pro Football Hall of Fame inductee Ed Orgeron, college football coach Irving Rapper, director Geraldo Rivera, broadcast journalist David Sarnoff, first general manager of Radio Corporation of America, Founder of NBC Stellan Skarsgård, actor, director Jerry Stiller, actor/comedian Dave Calloway, basketball player Daniel James III, Lt.Gen.U.S. Air Force, Director of Air National Guard-Pentagon See also List of social fraternities and sororities List of Jewish fraternities and sororities References External links Tau Delta Phi Fraternity Official Site Student organizations established in 1910 Student societies in the United States North American Interfraternity Conference City College of New York Youth organizations based in New York (state) Historically Jewish fraternities in the United States Organizations based in New York City 1910 establishments in New York City Jewish organizations established in 1910