2011-12 season highlights: Hannah was on the NESCAC All-Sportsmanship Team and the NESCAC Winter All-Academic Team. She played in all 25 games and had one assist. O'Brien played in 100 games during her Colby career. 2010-11 season highlights: O'Brien played in all 25 games and had three assists. She was on the NESCAC Winter All-Academic Team. 2009-10 season highlights: Hannah played in all 25 games for the Mules. 2008-09 season highlights: O'Brien played in 25 of the 26 games and had one goal and one assist. At Colby: Hannah majored in History, with a minor in Education...also a member of the field hockey team and played one year of lacrosse at Colby. Before Colby: Played ice hockey, field hockey, and lacrosse at Holderness School...captained the ice hockey team...Cum Laude Society in 2007 and 2008.
