Nelson is a 6'3, 212 lbs. left-shooting center. Nelson had 17 points (8G, 9A) in 23 games with the USNTDP Juniors in the USHL, as well as 46 points (20G, 26A) in 61 games with Team USA's U-18 team. The Maple Grove, MN, native also had seven points (4G, 3A) in seven games with Team USA at the 2023 IIHF World Junior U-18 Championship, winning a gold medal.