He studied at the Music Academy Ljubljana with Prof. Matjaž Robavs. Between 2019 and 2021, he was a member of the International Opera Studio at Staatsoper Berlin. He was selected to take part in the Académie du Festival Aix-en-Provence in 2022.

In 2024-25 Jaka Mihelač joins the ensemble of Staatsoper Berlin and gives several role debuts: Ping Turandot, Der Einäugige Die Frau ohne Schatten, Mercutio Roméo et Juliette, Konrad Nachtigall Die Meistersinger von Nürnberg, Heger Rusalka, Baron Douphol La Traviata and he will reprise the role of Dancaïro Carmen. In concert he will perform a.o. Bach’s Johannes Passion with the Nederlands Kamerorkest and Daniel Reuss.

Previous roles at Staatsoper Berlin include the title roles in Il Barbiere di Siviglia and in Georg Friedrich Haas’ Thomas, Aslik Sleepless, Papageno Die Zauberflöte, Peter in Beat Furrer’s Violetter Schnee, conducted by Matthias Pintscher, Marullo Rigoletto, Notar Der Rosenkavalier, Perückenmacher Ariadne auf Naxos, Varsonofyev Khovanshchina, 2nd Philistine Samson et Dalila, Fiorillo Il barbiere di Siviglia, Sciarrone Tosca, Don Alfonso in Jobst Liebrecht’s La Piccola Cubana, Kilian Der Freischütz and Sid La Fanciulla del West. He also appeared in the world premiere of Peter Eötvös’ opera Sleepless, with subsequent performances at Müpa Budapest and Grand Théâtre de Geneve.

Jaka Mihelač is a regular guest at Slovenian National Opera in roles such as the title role of Eugene Onegin, Albert Werther and Guglielmo Cosi fan tutte, Harlekin Ariadne auf Naxos and Yamadori Madama Butterfly. Recently he gave his house debut at Opera National de Montpellier as Marullo and performed Stravinsky’s Pulcinella with the Slovenian Philharmonic.

Prior to joining the Opera Studio at Staatsoper Berlin, he performed in a staged version of Orff’s Carmina Burana in Berlin and the Meistersängerhalle in Nuremberg, as Ottokar Der Freischütz at Kammeroper Schloss Rheinsberg, and Valentin Faust at the Slovenian National Theatre in Maribor. He has also premiered new operas by Dušan Bavdek, Aleš Makovac und Tom Kobe.

Jaka Mihelač’s concert repertoire ranges from Bach’s Passions to works by Britten and Michael Tippett. He has performed with the Staatskapelle Berlin, the orchestras of the Gran Teatre Liceu, Teatro Real Madrid and Slovene National Theatres Maribor and Ljubliana, the Berliner Symphoniker, the Slovenian Phillharmonic orchestra, the Orchestra of Radio Serbia, Ensemble Dissonance and worked with conductors including Daniel Barenboim, Zubin Mehta, Vladimir Jurowski, Bertrand de Billy, Antonio Pappano, Peter Eötvös, Peter Ruzicka, Maxime Pascal, Jonathan Stockhammer, Thomas Guggeis, Massimo Zanetti and Alessandro De Marchi and directors such as Claus Guth, Alvis Hermanis, Bart Sher and Martin Kušej.

He is the winner of the 1st prize in the 2016 Slovenian national singing competition, 1st prize and Mozart prize in the 2017 Ferruccio Tagliavini competition, the Wil Keune prize in the 2018 Belvedere Competition and 4th prize in the 56th Francisco Viñas competition.