Johnson's coaching career began at Williams, continued at Boston University (NCAA Division I), and brought him to Principia in 1984 to be head soccer coach. Since then, he has been named Conference Coach of the Year and has helped Principia produce two Conference MVPs, eight All-Midwest players, an All-American, and numerous players named to All-Conference teams. His teams have consistently been in the top 10 of the Midwest Region, and he has coached in international competition, having taken three teams on European tours.

Coach Johnson continues to be involved in the game at all levels, working with youth soccer and running summer camps. He holds an Advanced National Coaching License from the National Soccer Coaches Association of America (NSCAA), has served on the NCAA Soccer Tournament Selection Committee and the Intercollegiate Soccer Association of America (ISAA). He also holds a master's degree in education from Boston University. In 1993, he was named Principia's athletics director.

Contact Coach Seth Johnson for more information on men's soccer.