Ryan Fosso is a midfielder born in Lugano, Switzerland, in 2002. After time in the Young Boys youth system and under-21 side, he joined Vaduz in 2022 and helped the club reach the UEFA Europa Conference League group stage. He moved to Fortuna Sittard in 2024 and then Sturm Graz in 2026. Fosso represented Switzerland at under-20 and under-21 levels before FIFA approved his switch to Cameroon in March 2026, after which he joined the senior national team.