Gudrun Sack is a managing director of Tegel Projekt in Berlin. She focuses on sustainable planning and building, combining quality with new standards in construction, and implementing actionable future urban development solutions.

She was a board member of the Berlin Chamber of Architects and Netzwerk Berliner Baugruppen Architekten and is currently a member of the working group on housing at the German Association of Architects, BDA.

Having completed her studies in architecture at the Technical University of Berlin and the HfAK Vienna,
Gudrun Sack began her career with Norman Foster in London. Before her academic studies, she had already completed an apprenticeship as a restorer. After a stint with Alsop Störmer Architekten in Hamburg, she worked as a research assistant in the Department of Architecture at the University of the Arts, Berlin.

For more than 20 years, Gudrun Sack was a partner at NÄGELIARCHITEKTEN with offices in Berlin and Karlsruhe.