The Purdue Phi Kappa Tau Alumni Association is a group of Alumnus who have taken an active part in the growth, development, and overall mentoring of the Lambda Chapter. It is comprised of individuals both young and old, with one goal in mind: keeping the traditions of Phi Kappa Tau alive through the active chapter.

The Purdue Phi Kappa Tau Alumni Association is comprised of a Board of Governors, presided by Mike Lennox '79, and the Housing Corporation, presided by Jeff Vierk '85.