In 1957 Muir worked with German architect Walter Gropius and his firm, The Architects Collaborative, in the design of the campus of the University of Baghdad.[3] Munir designed a number of major projects in the following three decades including the University of Mosul campus (1966), Iraqi Ministry of Interior (1974), Baghdad City Hall (1975), and Ishtar Sheraton Hotel & Casino in Baghdad (1982).[4][5]