Sigma Pi Fraternity was founded in 1897 at Vincennes University, in Vincennes, Indiana. Our Executive Office is located in Lebanon, Tennessee. The Fraternity is one of the top men’s collegiate organizations in North America, with more than 120 active chapters and colonies in the United States and Canada. With over 100,000 alumni and 5,300 undergraduates; our men strive for excellence by living our core values to promote fellowship, develop character and leadership, advance heightened moral awareness, enable academic achievement, and inspire service. Sigma Pi is the only Greek letter organization with an international service program, The ACE Project, specifically designed to give back to our host institutions.