2008-09: Brian Dumoulin scored 7 goals with 23 assists in 41 regular season games for the New Hampshire Jr. Monarchs of the EJHL. He added 3 assists in 7 playoff games. Committed to Boston College.
2009-10: Despite being one of the youngest freshmen in the country, Dumoulin appeared in all 42 games for the national champion Boston College Eagles – scoring 1 goal with 21 assists. Even more impressive was his plus/minus rating of +40. Dumoulin was selected to the Hockey East All-Rookie and Frozen Four All-Tournament teams.
2010-11: Dumoulin was one of the top defensemen in college hockey as a sophomore for Boston College, which captured Hockey East's regular season and playoff championships. He also competed for the bronze-medal winning USA squad at the 2011 World Junior U-20 championships. Dumoulin had 30 assists (second-most on the Eagles to forward Brian Gibbons) and scored 3 goals with a +23 plus/minus in 37 games. Dumoulin scored two of his three goals on the power play – including a game-winner against Boston University and the fifth goal to seal a 5-3 win over Merrimack in the Hockey East Championship game. In six games for Team USA, he had two assists and a team-best +4 plus/minus.
2011-12: In his junior season with Boston College, Dumoulin was once again one of the top defensemen in college hockey, managing eight goals, 21 assists, and a plus-27 in 44 games. He was also instrumental in his teams Frozen Four championship, assisting on the game winning goal over Ferris State. On April 10th the Hurricanes signed Dumoulin to a three-year entry-level contract. On June 22nd the defenseman was traded to the Pittsburgh Penguins.
2012-13: Dumoulin skated for the Penguins' AHL affiliate, the Wilkes-Barre/Scranton Penguins, in his first pro season. The second-leading scorer among defensemen, one point behind veteran Dylan Reese, he scored 6 goals with 18 assists and was -11 with 18 penalty minutes. Wilkes-Barre/Scranton finished third in the AHL's East Division and reached the Eastern Conference Finals against Syracuse. Dumoulin played in all 15 playoff games, scoring 2 goals, both on the power play, and had 6 assists. He was -2 and had 6 penalty minutes.
A big, talented defensemen and a proven winner at the NCAA level, Brian Dumoulin possesses the smooth skating stride of a player much smaller than 6'4, 219 pounds. Though not known as an overly physical player, Dumoulin possesses the strength, size, and balance to keep the front of the net clear of traffic. The defensemen is also an adept puck-mover with a hard point shot. Conducting himself with great confidence on and off the ice, Dumoulin possesses numerous traits which suggest he could develop into a reliable top-four defenseman in the NHL, most notably his ability to quickly retrieve the puck and move it up ice.
Dumoulin will start the 2013-14 season in the AHL where he will likely play in a first or second pairing. Long-term, the blueliner projects as a potential top-four defender capable of playing in all situations.