He currently plays for Servette, wearing the number 78 shirt. At the international level, he represents Kosovo U21. He plays primarily as a Goalkeeper. His preferred foot is Right. His current market value is estimated at 150K .

His most recent move was a Loan from Stade Ouchy to Servette on 2026-06-30.

In the Switzerland Super League 2024-2025, Leo Besson played 12 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.