Josh Dionne joined the Castleton University women's lacrosse program as its head coach prior to the 2019-20 academic year.
Dionne, a graduate of Duke University, came to Castleton after two seasons as an assistant for the University of North Carolina women's lacrosse team where he was in charge of offensive game-planning, recruiting and scouting reports. While at UNC, Dionne helped guide the Tarheels to a national semi-final appearance as well as a pair of ACC Regular Season and Tournament Championships.
Dionne also spent two years assisting the United States Naval Academy women's lacrosse program, where he developed and executed successful team culture on and off the field, ran summer camps, assisted in recruiting and organized film breakdown.
A standout lacrosse player for the Blue Devils, Dionne was drafted following his senior year with the 18th overall pick in the Major League Lacrosse draft. He graduated as Duke's eighth all-time leading goal scorer while ranking 20th in total points. He was a two-time USILA All-America Honorable Mention, and helped guide Duke to a pair of National Titles. His team reached the national semifinals in all four seasons in his time as a player.