George McCormack was named head coach of the Ephs in 2003.

McCormack is a 1987 graduate of Ithaca College where he played both lacrosse and football and majored in physical education.  He played defensive midfielder for the Bombers' lacrosse squad and outside linebacker in football.      

McCormack previously coached at Union , Norwich, Boston College and Ithaca. While at Union,  McCormack was  the head lacrosse coach and in 1999 was named Co-Coach of the Year in the Upstate College Athletic League.  McCormack coordinated the defense for the lacrosse program and in 1999 the man down unit led the nation in save percentage.

At Williams, McCormack also serves as an assistant professor of physical education and is defensive coordinator and linebackers for the football team.

In 2007 the fruits of McCormack's youth movement began paying dividends as the Ephs advanced to the NESCAC semifinals for the first time.

George and his wife Kristen live in Williamstown with their three sons Brett (12), Michael (10) and Sean (8).

Kevin Kiley is entering his second campaign on George McCormack's lacrosse staff. Kiley is a 2003 graduate of Colby College  (BA) where he played four years as a defender. He is a also a 2005 graduate of St. Lawrence University (M.Ed).

Prior to joining the staff at Williams Kiley coached one year as an assistant lacrosse coach at St. Andrew's Presbyterian College (NC) during the 2005-06 academic year.

Kiley's first two years of collegiate coaching came at St. Lawrence University where he was an assistant men's lacrosse coach from in 2004 and 2005. Kiley also served as a defensive line coach for the Saints' football team in 2003 and 2004.

In the fall of 2007 Kiley joined the football staff at Williams where he will assist with the defensive line.