Gasana played his final two years of college basketball for Boise State.

[3] In 2019, Gasana signed with Rwanda-based REG BBC to play in the Rwandan National Basketball League.

[6] In May 2022, Gasana joined REG for a second stint ahead of the team's campaign in the 2022 BAL Playoffs.

In November 2022, Gasana played for Bangui Sporting Club in the Road to BAL.

[8] Although he was born in San Antonio, Texas, Gasana plays for the Rwandan national team and has been one of its top scorers through various editions of AfroBasket.