Hello and welcome to Sigma Pi at Cal Poly, the Eta-Delta Chapter of Sigma Pi Fraternity, International. I would like to welcome you to our website and encourage you to see what our chapter is all about. Grounded in our Quest for Excellence, we strive to become men of excellence in academics, philanthropy, and leadership.

From our memorable brotherhood events, to our annual formal, to our Suicide Awareness Week, we have many diverse activities to enrich the Cal Poly experience for our brothers in addition to classes. In 2016, we were awarded the Independent Student Organization of the Year by Cal Poly, and additionally humbled with the 2014-2016 Grand Sage’s Cup by Sigma Pi Fraternity, International. So please browse around and see what we have to offer! We are certainly proud to call ourselves Sigma Pi’s!

If Sigma Pi seems like a fit for you, I encourage you to check out our Join Sigma Pi page!


Cole Grigsby
Sigma Pi – Eta Delta Chapter – Cal Poly
(978) 495-1425