Lou Harrison joined the Swarthmore men’s lacrosse coaching staff prior to the 2022 season as offensive assistant. He was recognized a member of the 2023 Centennial Conference Coaching Staff of the Year and 2024 Intercollegiate Men's Lacrosse Coaches Association Staff of the Year.
A 2018 graduate and four-year attackman at Ursinus College, Harrison spent the last three seasons assisting the lacrosse program at nearby Ridley High School. A Health and Exercise Physiology major, Harrison was a member of the Phi Epsilon Kappa Honor Society and minored in Psychology while at Ursinus. For the Garnet he will coach the attack, run the Extra Man Offense unit and assist with recruiting.