Ascan Mergenthaler

Senior Partner

Herzog & de Meuron · Switzerland

Ascan Mergenthaler is a Senior Partner at Herzog & de Meuron. He is in charge of projects in Europe, Asia, and the Americas. He has led the realization of several international projects, including the de Young Museum in San Francisco, the Parrish Art Museum on Long Island, New York, the Tate Modern  Project in London, the Blavatnik School of Government in Oxford, the Elbphilharmonie in Hamburg, 56 Leonard Street in New York City, Tai Kwun, Centre for Heritage & Arts as well as M+, a cultural center for 20th and 21st century art, design, architecture, and the moving image in Hong Kong. He is currently working on several high-profile projects, such as the Neue Nationalgalerie – Museum des 20. Jahrhunderts in Berlin, and Triangle in Paris, a triangle-shaped office building that will significantly contribute to the Parisian skyline.


Ascan Mergenthaler first joined Herzog & de Meuron as an intern in 1993. After completing his studies at Stuttgart University and The Bartlett, University College London, he became an Architect at Herzog & de Meuron in 1998. He was promoted to Associate in 2001, to Partner in 2004, and to Senior Partner in 2009.