Prior to turning pro, Emberson attended the University of Wisconsin, where he was team captain his junior season. In three seasons with the Badgers, Emberson skated in 101 games, tallying 34 points (9G-25A) and a plus-11 rating. In 2020-21, the 6-1, 195 pound defenseman led Wisconsin with a plus-15 rating and was named an All-Big Ten honorable mention. In 2019-20, he earned the Fenton Kelsey Jr./Mike Richter Most Competitive Award and was an Academic All-Big Ten selection. That same season, his 62 blocked shots ranked second on the team and 27th in the nation. During his freshman campaign, he scored the second-most goals of any Big Ten rookie defenseman (4) and was the recipient of the Dr. Joseph Coyne/Joe Pavelski Most Consistent honor and the Ivan B. Williamson Scholastic Award for his achievements in the classroom.