High profile Sigma Nu’s form the University of Arizona:
- John “Button” Salmon (EA79): Academic and Athletic leader, coined the phrase “Bear Down.”
- Alfred “Corky” Olsen (EA): Past Regent of Sigma Nu Fraternity and member of the Sigma Nu Hall of Honor.
- Hal Ashton (EA): Chairman for Diversified Design and Construction, LLC & President of Sigma Phi Beta House Corporation Board and the McKale/Salmon Fund.
- Peter Backus (EA): Owner of PB Trading Company and Backus Team Realty and Development.
Non-Epsilon Alpha Sigma Nus at the University of Arizona:
- “Pop” McKale (Albion — Gamma Gamma 78): Athletic Director from 1914-1930.
- Jim Click (Oklahoma State University — Epsilon Epsilon): Owner of Jim Click Auto Dealerships.