Trowbridge coaches Middle School boys soccer, Middle School squash, and Middle School boys lacrosse. He comes to Princeton Day School in the fall of 2018 as a Middle School English and history teacher and coach with extensive experience. He coached squash and taught at Lawrenceville before heading to Princeton Academy, where he taught and coached soccer for 10 years, squash for eight, lacrosse for four and tennis for two. The PASH squash team he formed ascended to a Division 1 top-ten finish at last year's Middle School Nationals.