Former Dean, MIT School of Architecture and Planning (1981-1992). Prior to 1981, principal planner with Kinhill Pty. Ltd., a planning, design, and engineering firm in Australia. Previously a principal in the Llewelyn-Davies firms of architects and planners in the United Kingdom and in the United States. Responsible for projects in Australia, Southeast Asia, the United Kingdom, Colombia, Canada, and the United States, including a major program for slum upgrading and new sites and services housing in the Philippines. Founding Chairman of the Boston Civic Design Commission 1988- 1992. From 1992 to 1996, General Manager (part-time) of the Aga Khan Trust for Culture, a foundation based in Geneva concerned with the quality of architecture and human opportunity in the Muslim world.A principal with Suzanne Beauchamp de Monchaux in a consulting practice devoted to urban design, research and planning.