Dan O'Halloran
Dan O'Halloran is a National Hockey League referee, who wears uniform number 13. He was one of the selected referees who officiated the 2007, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and the 2017 Stanley Cup Finals.
The first NHL game that O'Halloran refereed was on October 14, 1995. O'Halloran reached 1,000 games on April 7, 2013, with the St. Louis Blues playing against the Detroit Red Wings.
He was also selected as one of 13 NHL referees to officiate at the 2010 Winter Olympics in Vancouver, including the gold medal game.
