[5] In 2021, Smith was chosen first-team All-Ivy League after totaling 44 tackles, five TFLs and 3.5 sacks while starting all 10 games.
[6] Smith graduated from Harvard in 2021 with a degree in human evolutionary biology, but opted to remain in college for a final year, entering the NCAA transfer portal after the season.
[7][8] With the Fighting Irish, Smith appeared in 13 games, five as a starter, and recorded 17 tackles with 0.5 TFLs and a forced fumble.
[9] After going unselected in the 2023 NFL draft, Smith signed with the Detroit Lions as an undrafted free agent.
[19][20] On September 7, he was signed to the active roster, one day prior to the team's Week 1 game against the Los Angeles Rams.