Tess O'Sullivan hails from Greenwich, Connecticut where she was introduced to and fell in love with many sports including lacrosse, ice hockey, field hockey, and figure skating. She played varsity lacrosse for Greenwich High School. Tess went to Yale where she played varsity field hockey and lacrosse. Her senior year, the Yale women's team won the ECAC Division 1 Championships. Tess has coached youth ice hockey, girl's soccer, and women's nordic skiing. She is eager to introduce girls to the joy of lacrosse here in the valley. Tess works for the Idaho Chapter of The Nature Conservancy.