Mignone joined the Steel in July 2026 as an Assistant Coach following one season with the Muskegon Lumberjacks, helping the team to their second consecutive Clark Cup appearance.
Prior to his time in Muskegon, Mignone spent two seasons with the University of Alaska-Fairbanks Men's Hockey team as an assistant coach, including a 110 goals-for season in 2023-2024, the most goals for the Nanooks in a single season since 2013-2014.
Mignone's playing career featured two seasons at Lebanon College and his final two at Westfield State College. He appeared in 100 NCAA Division III contests and produced 80 total points. Upon graduating, he continued his career at the professional level, competing in the Federal Hockey League (FHL), Southern Professional Hockey League (SPHL), and the Australian Ice Hockey League (AIHL) during a season overseas. In his final season of professional hockey in 2013-2014, Mignone won the FHL Championship with the Dayton Demonz, where he ranked second on the team in points during their championship run.
Following his time as a player, Mignone served as an assistant coach with the Johnson & Wales University Wildcats for two years. He then moved to the junior hockey ranks as Head Coach and General Manager of the NA3HL's Rochester Grizzlies for one season. Following his time in Rochester, he advanced to the North American Hockey League (NAHL), where he spent four total seasons in leadership roles with both the St. Cloud Norsemen as Associate Head Coach and with the Chippewa Steel as General Manager and Head Coach for two years.
