Established in Basel in 1978, Herzog & de Meuron is a partnership led by Jacques Herzog and Pierre de Meuron together with Senior Partners Christine Binswanger, Ascan Mergenthaler, Stefan Marbach, Esther Zumsteg, and Jason Frantzen. An international team of nearly 500 collaborators including the two Founders, five Senior Partners, ten Partners, and 41 Associates work on projects across Europe, the Americas and Asia. The main office is in Basel with additional offices in London, New York, Hong Kong, Berlin and Copenhagen.