Sean Keller

Math Teacher1986

After graduating from Harvard with a degree in mathematics, Sean spent three years teaching at Avon Old Farms School, and then moved to Deerfield Academy in 1993. Over the years he has coached varsity baseball, boys varsity soccer, and girls varsity hockey, as well as served as Mathematics Department Chair.

Sean lived in Doubleday Dormitory for many years, and helped plan the new Koch Center. He now lives with his wife Sue, daughter Hunter, and son Avery in nearby Clarke House. Sean is also a Deerfield alumnus, Class of '86, and enjoys geocaching, hiking, and gardening in his spare time.