Vincent Sierro

Sierro began his senior career in the Swiss third division with the FC Sion B team during the 2013–2014 season. He made his debut with the FC Sion first team during the 2014–15 season. He scored his first goal on the 10 April 2016 against FC Thun. In January 2017, Sierro signed for SC Freiburg on a four-year contract. He did not find success at the club, and returned to Switzerland for the 2018–19 season, joining St. Gallen on loan. In June 2019, Sierro signed a four-year contract with Young Boys. In January 2023, Sierro signed for Ligue 1 club Toulouse. Sierro was named club captain ahead of the 2023–24 season. On 19 August 2025, Sierro joined Saudi Pro League club Al-Shabab on a two-year deal.

In March 2024, Sierro received his first call up to the Swiss national team at the age of 28. On 26 March, Siero debuted in a friendly match against the Republic of Ireland, playing 65 minutes alongside captain Granit Xhaka in midfield before being replaced for Denis Zakaria. Sierro was included in Switzerland's preliminary squad ahead of the UEFA Euro 2024 on 17 May. He was named in the final 26-man squad on 7 June. In said tournament on 15 June, Sierro appeared as an 86th-minute substitute for Remo Freuler in Switzerland's opening Group A fixture against Hungary.

Club

As of match played 12 May 2024

Sierro was born in Sion, in the canton of Valais in the southwest of Switzerland. He is the son of former Valais State Councillor Serge Sierro. His father having played for Sierre and the Valais regional squad, and his grandfather amongst the founders of FC Crans-Montana, Sierro grew up in a footballing family. Sierro joined the academy of FC Sion, in his hometown, in his youth.