Jakob Stillmark received his first composition lessons with Ernst August Klötzke in Wiesbaden. During that time he won, among other prizes, the German Orchestra Foundation's prize for "best composition" at the orchestra workshop for young composers in Halberstadt. From 2013 to 2019 he studied composition with Isabel Mundry at the University of Music Munich and has been working as a freelance composer since receiving his master's degree. He participated in numerous international master classes, where he received lessons from Toshio Hosokawa, Liza Lim, Younghi Pagh Paan and Marco Momi, among others. His works have been performed in the chamber music series of the Munich Philharmonics, at the Munich Biennale, the Munich Kammerspiele, the Shanghai Academy of Music, the SONify!-Festival in Graz, the Staatstheater Darmstadt, by the Deutsche Radio Philharmonie and the Munich Chamber Orchestra. A residency at the Cité internationale des Arts in Paris was enabled for him by the Bavarian Ministry of Science and the Arts. He is also a composer and organizer at the aDevantgarde Festival in Munich. Since 2020 he is a PhD student at the Zurich University of the Arts and is a scholarship holder of the Friedrich Ebert Foundation.