Kolesar was drafted 69th overall in the 2015 NHL Entry Draft by the Columbus Blue Jackets.[1] On June 24, 2017, Kolesar was traded to the Vegas Golden Knights in exchange for Vegas' second-round draft pick in the 2017 NHL Entry Draft.[2] He was called up to the Golden Knights on January 10, 2020, and made his NHL debut the following night against the Blue Jackets.[3][4]
On March 22, 2021, Kolesar scored his first NHL goal in the third period of the Golden Knights 5–1 win against the St. Louis Blues.[5]
On June 13, 2023 Kolesar won his first Stanley Cup when the Vegas Golden Knights deafeted the Florida Panthers 9-3 to win their first Stanley Cup in Franchise History.
Personal life
Kolesar was born on April 8, 1997, in Brandon, Manitoba[6] to former NFL and CFL linebacker K. D. Williams and Corrinne. The parents divorced following his birth and Corrinne remarried to Charles Peterson who played for the Kansas City T-Bones of the Northern League.[7] During the 2019–20 NHL season, Peterson contracted COVID-19. When Peterson's death became imminent in mid-September 2020, Kolesar left his team's bubble to say goodbye to his step-father.[8]