Williamson played five seasons at Stanford, tallying 213 tackles, 11 going for a loss, 1.5 sacks, an interception, 13 pass deflections, a fumble recovery, and two forced fumbles.[2]
Williamson was drafted by the Chicago Bears with the 258th overall pick in the seventh round in the 2023 NFL draft.[5] He was waived on August 29, 2023, and re-signed to the practice squad.[6][7] He was not signed to a reserve/future contract after the season and thus became a free agent.[8]
Buffalo Bills
On January 22, 2024, Williamson signed a reserve/future contract with the Buffalo Bills.[9] He was released as part of final roster cuts on August 27.[10]
Los Angeles Chargers
On October 30, 2024, Williamson was signed to the Los Angeles Chargers practice squad.[11] He was elevated to the Chargers' active roster for their Week 16 matchup against the Denver Broncos, and made his NFL debut in the contest.[12] He signed a reserve/future contract on January 13, 2025.[13]