He has officiated at Euro 2012 qualifiers and the 2011 FIFA U-17 World Cup.
He was appointed as referee of the 2012–13 Swiss Cup final between FC Basel and Grasshoppers Zürich in the Stade de Suisse, Wankdorf, Bern, on 20 May 2013.
Studer's last match after 12 years as referee was on 29 May 2015 in St.
Jakob-Park, Basel as FC Basel beat St.
Gallen 4-3 on the last day of the 2014–15 Swiss Super League season.