January 24, 1986 |
Minnetonka, MN, USA
|Height||5 ft 10 in (1.78 m)|
|Weight||190 lb (86 kg; 13 st 8 lb)|
New York Islanders
Playing career 
During his senior year at Colorado College, he won the Defenseman of the Year and first team all WCHA. After playing four seasons at Colorado College graduating with a Bachelor's degree in economics, he was signed by the New York Islanders to a 2-year contract. Jack made his National Hockey League debut with the Islanders in the last 2 games of the 2007–08 season against the Islanders' rival New York Rangers
Jack scored his first career point in his second NHL game, posting an assist on Miroslav Satan's goal against the Rangers.
Before entering into the NHL, he played hockey for Colorado College, and high school hockey for the Academy of Holy Angels in Minnesota.
On Tuesday, January 26, 2010 while playing in a home game against the Washington Capitals, Hillen took a direct hit to the face from an Alex Ovechkin slapshot. He was able to leave the ice under his own power with a trainer trying to stop the bleeding. Hillen was later transported to a hospital, where he had surgery for a broken jaw and tooth damage and missed 6 weeks.
On August 8, 2011, Hillen signed as a free agent to a one-year, two-way contract with the Nashville Predators. During the 2011–12 season, Hillen contributed with 6 points in 55 games for the Predators.
On July 2, 2012, as a free agent for a consecutive year he signed a one-year, one-way contract with the Washington Capitals. After suffering a injury on the opening night of the lockout shortened 2012–13 season, Hillen later returned to help in the Capitals resurgence, posting 9 points in 23 games. On April 2, 2013, Hillen was re-signed a two-year, $1.4 million contract extension with the Capitals.
- 2008 ESPN the Magazine Academic All-America University Division At-Large All-District VII Team
- Won Western Collegiate Hockey Association's prestigious Scholar Athlete Award
- 2008 WCHA All-Academic Team
Career statistics 
Regular season and playoffs 
|2007–08||New York Islanders||NHL||2||0||1||1||4||—||—||—||—||—|
|2008–09||New York Islanders||NHL||40||1||5||6||16||—||—||—||—||—|
|2008–09||Bridgeport Sound Tigers||AHL||33||4||13||17||31||5||0||2||2||2|
|2009–10||New York Islanders||NHL||69||3||18||21||44||—||—||—||—||—|
|2010–11||New York Islanders||NHL||64||4||18||22||45||—||—||—||—||—|