Directory
Dexter Southfield students are supported by a dedicated group of exceptional faculty and staff mentors. Teachers, coaches, and program directors provide careful guidance and intentional support, and they share their passions and talents to help our students gain the character, confidence, and compassion to become leaders, lifelong learners, and engaged citizens.

Matthew Berk
Upper School Faculty, English Department Chair; Assistant Coach, Boys' Varsity Cross Country
School:
617-751-3652

Catharine Berry-Toon
Middle School Faculty, English; Assistant Coach, Boys' and Girls' Varsity Swimming and Girls' Varsity Rowing