We are Phi Delta Theta

The pinnacle fraternal and professional society, centered around the potential of each brother, the unquenchable thirst for personal development and the lifelong values of friendship, sound learning and rectitude.

Famous Phis

The first man to walk on the moon, six MLB hall-of- famers, eight Pulitzer Prize winners, President of the United States, and more, to name a few. Meet the many men of Phi Delta Theta who have gone on to do notable things in their fields. You could be next.
  • Lou Gehrig
    Lou Gehrig | Columbia '25
    MLB Hall of Famer
  • Neil Armstrong
    Neil Armstrong | Purdue '55
    Astronaut, First man on the moon
  • Jeff Weiner
    Jeff Weiner | UPenn '89
    CEO, LinkedIn
  • Your Journey to Greatness Starts Here

    Events
    Founders Day Event
    Saturday April 25 at 5pm
    Nicoli’s Grill & Sports Bar (17880 SW McEwan Road, Lake Oswego, OR 97035)
    Phi Delta Theta Founders’ Day is coming up and we are planning on celebrating it in style this year. The goal will be to renew our friendships that have been separated by distance. This is part of our continual pledge to each other in friendship that we all took by signing the Bond. Click here...
    Chapter News
    Tweets