Leonhard Garms was born in Rome and grew up in Italy, Austria and the US. He studied conducting and vocal accompaniment with Wolfgang Bozic and music-theory / composition with Clemens Gadenstätter and Georg Friedrich Haas at Kunstuniversität Graz.
Since 2013 Leonhard Garms has mostly been working as free-lance. His engagements led him among other venues to Staatstheater Wiesbaden, Korean National Opera, Opéra de Lausanne, Opernhaus Graz and back to Istanbul State Opera as well as to Festivals such as Ruhrtriennale as assistant of Kirill Petrenko, (Wagner: „Tristan und Isolde“) and of Peter Rundel, Wiener Festwochen 2013 and 2015 (as assistant of Beat Furrer and Emilio Pomarico) and to Steirischer Herbst.
Pursuing his great interest for contemporary experimental music and improvisation he collaborates with different instrumental ensembles: Leonhard Garms conducts Klangforum Wien, Ensemble Phace, The Black Page Orchestra, Soundinitiative (Paris), and Ensemble Chromosom (Bolzano). With these ensembles and as music director of Schallfeld Ensemble Graz Leonhard Garms performs at Festivals such as Wiener Festwochen, Wien modern, Klangspuren Schwaz, Ultraschall (Berlin), Rainy Days (Luxemburg), Armel Opera Festival in Szeged (Hungary), Mixtur Festival in Barcelona, Brisbane Festival (Australia).
Leonhard conducts the Black Page Orchestra since 2016.