 Marks spent his 657-game NHL career with the Chicago Black Hawks, recording 112 goals and 163 assists for 275 points, as well as accumulating 330 penalty minutes.From 1998 to 2006, he was the only head coach of the now-defunct Greenville Grrrowl of the ECHL.In 2002, he guided the South Carolina-based team to their only league championship in a four-game sweep of the Dayton Bombers; this was the first (and currently only) time an ECHL team has swept the Kelly Cup finals.