He was a three-sport athlete while attending Holy Cross Regional High School in Surrey, British Columbia, after transferring in grade 12 from Kitsilano Secondary.

[4] In 2018, his senior year, he moved into the linebacker role; after six games, he tore his anterior cruciate ligament (ACL) at the University of Tennessee against Auburn and did not play for the rest of the season.

[2][6] He was signed by the Blue Bombers on 17 May 2019, and placed on their six-game injured list, hoping to play before the end of summer.

Kongbo was released on 5 December 2019, as part of a pre-determined agreement to pursue National Football League opportunities.

[13] Kongbo recorded 16 tackles on defense and one more on special teams, plus 3 sacks during the shortened 14 game regular season.

[20] He was competing with four other Canadians for snaps along the defensive line; Mathieu Betts, David Menard, Joshua Archibald and first-round 2023 CFL Draft pick Francis Bemiy.

[24] Kongbo was born in Zaire (now known as the Democratic Republic of the Congo) to parents Joachim and Lily and has one brother, Joel.