Beta Theta Pi, often referred to simply as "Beta," is a men's college fraternity dedicated to building men of principle for a principled life. Our brotherhood aids the individual, builds the Fraternity and strengthens the host academic institution through lifelong devotion to intellectual excellence, high standards of moral conduct and responsible citizenship.

Founded in 1839 at Miami (Ohio) University, Beta is devoted to intellectual excellence, high standards of moral conduct and responsible citizenship. The Fraternity has more than 120,000 living members including some 5,800 collegians on 122 campuses in the United States and Canada.

Making the decision to join Beta Theta Pi at Cal Poly will change your life and provide a lifetime of loyal friends and career opportunities.