The President of the Fighting Clams, Justin was born in the Baltimore area. He graduated from Tabor Academy in 1995, where he was named as a high school All-American, and where he still holds the school record for points scored in a season (112). He was also named a Boston Globe All-Scholastic lacrosse player and the New England Prep Player of the Year in 1995. Justin started for all four years at attack at Denison University and was named as an All NCAC player three times. He was named as an Honorable Mention All-American for his senior season, and scored 182 points during his collegiate career. After serving as an Assistant Coach for Duxbury High School for two years, one of which was during a season that saw Duxbury win its first State Championship, Justin moved to the Rivers School in 2002 to take over a program that hadn’t had a winning season in over two decades. Since taking over, Rivers has gone 113-73, and has not had a losing season since 2005. In 2006 and 2014, Coach Walker was named as Coach of the Year in ISL, and in 2009 his team was one of three teams winning a share of the ISL title. Justin has coached two high school All-Americans at Rivers, and over 50 players who have gone on to play at the collegiate level, including dozens at the Division 1 level.