Joseph Sieber
– Conductor –
General Management

Joseph Sieber is a Swiss conductor and pianist praised for his communicative musicianship and versatility. He will take up the position of Assistant Conductor with the Basel Sinfonietta in the 2025/26 season.

A fellow at the Lucerne Festival and Cabrillo Festival, Sieber studied in Switzerland, the UK and the USA, receiving the highest distinction for his final performance with the BBC Philharmonic. He has conducted orchestras including the Lucerne Festival Contemporary Orchestra, the BBC Philharmonic, the Denver Philharmonic, and the Südwestdeutsche Philharmonie, and has assisted conductors such as Marin Alsop, Susanna Mälkki, and Cristian Măcelaru with the Orchestre National de France, Philharmonia Orchestra, and others.

He is also the founder of the Zentralschweizer Jugendsinfonieorchester and the outreach initiative Simple Symphony, and was nominated for the European Music Mediation Award. In 2024, he gave a TEDx talk titled Dare to Be an Artist.

Upcoming highlights include the premiere of his interactive concert format Symphonic Jukebox at the Lucerne Festival this summer.

For a complete version of the biography, please click [here].

Joseph Sieber returns to Lucerne to conduct World Premiere for Organ & Orchestra at KKL
TEDxEHLLausanne welcomes Joseph Sieber for inspiring talk on artistic courage
Joseph Sieber to Join Basel Sinfonietta as Assistant Conductor
Upcoming
Fri, May 9 2025
Don Bosco Basel, CH
Repertoire Orchestra by Simple Symphony
Franz SCHUBERT (1797–1828)
Ouvertüre im Italienischen Stil, D. 590

Ludwig van BEETHOVEN (1770–1827)
Sinfonie Nr. 7 in A-Dur, op. 92
Wed, Jun 4 2025
– Jun 7 2025
Auditorium-Orchestre National de Lyon, Lyon, FR
Orchestre National de Lyon
Works by Bizet, Debussy & Respighi
Assistant to Laurent Zuffrey, direction
Sat, Aug 23 2025
Europaplatz, KKL Luzern, CH
Lucerne Festival | 40min
40min «Symphonic Jukebox» Lucerne Festival Contemporary Orchestra (LFCO)
Season Highlight
Sun, Sep 28 2025
Basel, CH
Basel Sinfonietta 1
Subscription concert 1 Assistant conductor to Titus Engel
Sun, Oct 26 2025
Kloster Werthenstein, CH
BlumenStrauss | Art Song Recital
Works by Richard Strauss, Wolfgang Amadeus Mozart, Franz Schubert, Clara Schumann & Emilie Mayer
Chelsea Zurflüh, Soprano
Joseph Sieber, Piano
Sun, Nov 9 2025
Basel, CH
Basel Sinfonietta 2
Subscription concert 2 Assistant conductor
Fri, Nov 21 2025
– Nov 23 2025
KKL Lucerne, CH
Lucerne Festival | Forward Festival
World premiere with Lucerne Festival Contemporary Orchestra (LFCO) and other Ensembles
Joseph Sieber, conductor
Season Highlight
Sun, Jan 18 2026
Basel, CH
Basel Sinfonietta 3
Subscription concert 3 Assistant conductor
Sun, Mar 29 2026
Basel, CH
Basel Sinfonietta 4
Subscription concert 4 Assistant conductor
Sun, May 3 2026
Basel, CH
Basel Sinfonietta 5
Subscription concert 5 Assistant conductor
Sun, May 10 2026
Phlharmonie Köln, GE
Basel Sinfonietta
Guest performance with
Works by Dick, Messiaen & Thorvalsdottir
Assistant conductor to Titus Engel
Sun, May 31 2026
Basel, CH
Basel Sinfonietta 6
Subscription concert 6 Assistant conductor
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The young Swiss pianist and conductor Joseph Sieber will take on the position of Assistant Conductor at the Basel Sinfonietta in the 2025/26 season.

As the founder and artistic director of the Central Switzerland Youth Symphony Orchestra (ZJSO) and the extraordinary music theater project Verona 3000, Joseph 'JoSi' Sieber has brought together hundreds of artists and cultural workers from across Switzerland at a young age, performing annually for thousands of audiences both at home and abroad. His work as a composer, pianist, conductor, and music mediator has received numerous awards and international recognition.

Joseph Sieber studied piano with Konstantin Lifschitz and composition with Dieter Ammann in Lucerne (CH). He continued his conducting studies at the renowned Royal Northern College of Music in Manchester (UK) and at Arizona State University (USA). For his final recital with the BBC Philharmonic, he was awarded the highest distinction. In 2023, he became the first Swiss Conducting Fellow at the Lucerne Festival and held the same position at the Cabrillo Festival in California.

He has worked with renowned orchestras, conducting concerts with the BBC Philharmonic (UK), the Lucerne Festival Contemporary Orchestra (CH), the Südwestdeutsche Philharmonie Konstanz (DE), the Denver Philharmonic Orchestra (USA), the Plovdiv State Opera Orchestra (BG), the New Sinfonia (WL), and the Argovia Philharmonic (CH). Additionally, he has served as assistant conductor with orchestras such as the Orchestre National de France (FR) and the Philharmonia Orchestra (UK), collaborating with conductors like Susanna Mälkki, Marin Alsop, Cristian Măcelaru, and Domingo Hindoyan.

Joseph Sieber is the Artistic Director of the mediation project Simple Symphony, which is dedicated to innovative music education and the creation of new concert formats. A charismatic speaker, he regularly hosts readings, seminars, and moderated concerts. In 2024, he delivered his first TEDx Talk titled Dare to Be an Artist, offering philosophical insights into the journey of an artist and the value of art in our lives.

Contact

Dshamilja Schurtenberger
+41 79 538 89 36
dsham@dshamsession.com

Photo Credits

Valentin Luthiger
Dshamilja Schurtenberger