Phi Delta Theta is a collegiate fraternity founded in 1848 at Miami University in Ohio. It emphasizes the principles of friendship, sound learning, and moral rectitude. The fraternity aims to promote academic excellence and personal development among its members. With chapters across North America, Phi Delta Theta is known for its commitment to philanthropy and community service. Members participate in various charitable activities and support initiatives like the ALS Association. The fraternity fosters a sense of brotherhood and lifelong connections among its members.