Standing at 6 feet 4 inches and weighing 220 pounds, Nelson, a forward, served as captain for the University of Minnesota during the 2023-24 season. He played in 39 games, notching 19 goals and 12 assists, totaling a career-best 31 points. Initially, he will join the Bruins' AHL affiliate, the Providence Bruins, on an amateur tryout contract before transitioning to the NHL with the main club next season.