Danielson, 18, was selected by the Red Wings in the first round (ninth overall) of the 2023 NHL Entry Draft, held at Bridgestone Arena in Nashville, Tenn. on June 28-29, and participated at Detroit's Development Camp from July 1-5 at the BELFOR Training Center inside Little Caesars Arena. The 6-foot-2, 186-pound forward captained the Western Hockey League's Brandon Wheat Kings during the 2022-23 season and ranked among the team leaders with 33 goals (1st), 45 assists (1st), 78 points (1st), 38 penalty minutes (T10th), 13 power play goals (1st), 38 power play points (1st), three shorthanded goals (1st), five game-winning goals (T1st) and 244 shots (2nd) in 68 games. His 78 points were the most by a Wheat Kings player since the 2018-19 campaign. Danielson was named to the WHL East Division's Second All-Star Team and competed at the 2023 CHL/NHL Top Prospects Game.