Seth began The Gunnery in 2004. After being a full-time math and science teacher, coach and dorm parent, he joined the College Counseling Office in 2007 and became Director of College Counseling in 2010. He currently serves as the Director and the Assistant Head of School at The Gunnery. Seth graduated from Williams College with a B.A. in Geosciences and from Wesleyan University with his M.A.L.S.