He has performed with the Vienna Philharmonic, the Vienna Symphony Orchestra, the Mariinsky Orchestra St. Petersburg, Macau Orchestra, Suzhou Philharmonic, Vienna Chamber Orchestra, Beethoven Philharmonic, RAI National Orchestra, Ulster Orchestra, Bochum Symphony Orchestra, China Philharmonic, Shanghai Philharmonic, Beijing Symphony Orchestra, Orchestra of the National Center for the Performing Arts, Georgian Philharmonic Orchestra, Filarmonica del Teatro Comunale di Bologna, Orchestra della Toscana, Zagreb Philharmonic, Sofia Philharmonic, Singapore Symphony Orchestra and Mozarteum Orchestra Salzburg. Among the conductors with whom he has worked are Adam Fischer, Christopher Warren-Green, Choo Hoey, Tung-Chieh Chuang, David Brophy, Diego Matheuz, Guoyong Zhang, Howard Griffiths, Ilyich Rivas, Joji Hattori, Kazuki Yamada, Kerem Hasan, Kriistina Poska, Lu Jia, Michele Nitti, Nikoloz Rachveli, Pietari Inkinen, Thomas Rösner, Riccardo Minasi, Steven Sloane, Lio Kuokman, Valery Gergiev and Hans Graf.

Ziyu He recently made his debut with the Vienna Symphony Orchestra under Lio Kuokman, and was invited by Hans Graf to join the Singapore Symphony Orchestra on several occasions for concerts and CD recordings. He has also performed with the Camerata Schweiz, the Belgrade Philharmonic Orchestra and Howard Griffiths, as well as with the Sofia Philharmonic under Uros Lajovic, played concerts at the BBC Belfast Proms and made his debut at the George Enescu Festival. Highlights of the past year include a concert and recordings of works by Hans Werner Henze with the Mozarteum Orchestra Salzburg under Maestra Lin Liao and solo recitals at the Vienna Konzerthaus in the "Great Talents" series. A concert with Suzhou Symphony and Thomas Rösner, performances in Munich in the "Rising Stars" series and with Benjamin Schmid round off the current season. As the violinist with the renowned Altenberg Trio, he regularly plays in their popular concert series in the Brahms Hall of the Vienna Musikverein.

Ziyu He began learning the violin at the age of five with Xiangrong Zhang in his native China. At the age of just 10 he was invited by Paul Roczek to study with him at the Mozarteum University in Salzburg. Ziyu completed his master's degree in violin there in summer 2021 and began postgraduate studies with Benjamin Schmid, and a master's degree in viola with Thomas Riebl, which he completed with distinction in February 2023. He plays the 1698 "ex Rouse-Boughton"violin by Antonio Stradivari on loan from the Austrian National Bank and a Giuseppe Guadagnini viola, dated 1797, made available to him by generous private sponsors.