Melanie Onufrieff

Melanie Onufrieff brings 38 years of competing in and coaching endurance sports to bear in her role assisting the boys’ swim team.  She rowed at

Jason Cook

Jason has been Deerfield Academy’s diving coach since 2012. He has been diving competitively for over ten years. Jason attended the Amherst Regional High School

Mark Spencer

Mark Spencer became Deerfield’s Director of College Advising in the fall of 2013, after twenty years in post-secondary admissions at Hartwick, Vassar, Cornell, and Brandeis.