JAHN is a leading international architectural firm that, with over 75 years of experience, has achieved critical recognition in global design innovation and won hundreds of awards. JAHN operates out of four international offices located in Chicago, Berlin, Doha and Shanghai. The firm has completed buildings in four different continents encompassing a wide range of typologies and scales focusing on innovative technologies and environmental and ecological awareness. Under the current leadership of Helmut Jahn and Francisco Gonzalez-Pulido, the firm has grown and evolved steadily from the original practice founded in 1937 by Charles F. Murphy, Sr. coming from the tradition started with Daniel H. Burnham. The firm has carried the name Murphy/Jahn from 1979 to 2012.