Fabian Wallmüller,

born in 1974 in Graz, Austria, is architect and managing director of Stoiser Wallmüller Architekten. After studying at Graz University of Technology, Innsbruck University of Technology, University of Applied Arts Vienna and Vienna University of Technology, he worked as a project manager in various architectural offices in Austria, France and the Netherlands.

In 2016, together with Michael Stoiser he founded Stoiser Wallmüller Architects with offices in Vienna and Graz. Following Michael Stoiser's departure in 2025, Fabian Wallmüller continues to run the office in Vienna.

In addition to teaching assignments at Graz University of Technology and NDU St. Pölten, Fabian Wallmüller was assistant and lecturer at the Vienna University of Technology from 2015 to 2024. Moreover, he worked as a journalist for various architecture magazines and journals (2005–2012) and was a board member of the House of Architecture in Graz, Austria (2008–2009) and Architecture without Borders Austria (2012–2015). Currently, he is board member of IG Architektur and member of the Competitions Committee of the Chamber of Architects for Vienna, Lower Austria and Burgenland.

Fabian Wallmüller regularly participates in lectures, discussions, symposia, workshops, exhibitions, publications and juries of architecture competitions.