"Become the preeminent collegiate leadership development organization -- aligned, focused, and living our core values."
~The Sigma Chi Fraternity Vision

Chapter & Alumni Event Calendar

Visit Upcoming Events for details on future Delta Delta activities

Distinguished Undergrad

Each semester we feature a couple of undergrads that are making a difference in the Fraterinity, University, and their communities. Check out the latest Distinguished Undergrad here.

Welcome to Purdue University, Greek Life and Sigma Chi Fraternity


Purdue University is one of our nation’s leading institutions of higher learning.

As a student at Purdue you will have many and varied opportunities for academic, social and personal growth while receiving an outstanding education.


With 81 fraternities and sororities in Purdue‘s Greek Community, it ranks as the nation’s third largest.

Fraternities and sororities have contributed substantially to campus life, community service and the educational mission of the University for the past 145+ years.


Founded in 1875 Sigma Chi was Purdue’s first fraternity. Sigma Chi’s legacy is rich in tradition and contributions to Purdue and the community.

Our members have led in all facets of campus life - in the classroom, in its organizations, and on its athletic fields. Our alumni have gone on to great heights in business, medicine, public service and professional sports.