Callahan is entering his fourth year as head coach of the Dartmouth men's lacrosse team in 2018.
Dartmouth wrapped up the 2017 season with an overall record of 2-11 and an 0-6 mark in Ivy League action. The Big Green picked up their first win of the year in the form of an 11-9 win over Vermont on Feb. 28 and got their second victory on April 11, defeating UMass Lowell by a score of 14-8. At the conclusion of the season, Jack Korzelius was named All-Ivy Second Team, while Austin Meacham was an honorable mention. A few days later, Wiley Osborne and Timmy Burke were two of 75 players to earn selection to the 2017 New England Collegiate Lacrosse Association (NEILA) Academic All-New England Teams.
In 2016, the Big Green ended up with a record of 1-13 and 0-6 in Ivy League play. On March 19, Dartmouth had a huge 13-12 win over Big10's Michigan on the road during the teams' first-ever meeting. Jack Korzelius was named All-Ivy Honorable Mention for his 17 goals, seven assists and 24 points throughout the season.
CALLAHAN'S CAREER AT A GLANCE
Career Record: 8-32
Year Overall Ivy
During his first season at Dartmouth in 2015, he led the Big Green to a record of 5-8 and a conference mark of 1-5, which included a huge 12-11 double-overtime thriller over Harvard to kick off Ivy League play. Phil Hession was named First Team All-Ivy, while Robert Osgood was a second-team selection. Hession was also selected to the NEILA All-New England Second Team for both faceoffs and midfielders, and was named a USILA Scholar All-American.
Callahan came to Hanover after spending seven years as an assistant coach and defensive coordinator at Lehigh. He helped guide Lehigh to three consecutive league championship game appearances (2012-14), back-to-back Patriot League Championships as well as berths in the NCAA Tournament in 2012 and 2013. From 2007-11, he served as the second assistant under head coach Kevin Cassese. His primary duties with the Mountain Hawks were as defensive coordinator, including overseeing the goalkeepers.
Before arriving at Lehigh, Callahan enjoyed a successful four-year career at Stony Brook, serving as captain of the Seawolves and garnering Second-Team All-America East laurels as a goaltender. He was an All-Rookie Team selection in 2004, as well as an STX/USILA All-American after leading the nation in save percentage and goals against average.
Off the field, Callahan was involved in a number of activities, including the Student-Athlete Advisory Committee, the Inter-Collegiate Athletic Board and he was selected by the NCAA to represent Stony Brook at the 2005 NCAA Leadership Conference in Orlando, Florida.
Callahan earned his bachelor's degree in health care management in 2007 and later got his master's degree in education from Lehigh.