His independent practice has evolved since 1968 into dealing with urban planning and development issues, particularly those concerning Asia and Pakistan. He has been a consultant and advisor to many CBOs, NGOs, and donor agencies. Hasan is the author of various books on development and planning. Arif Hasan is an architect/planner in Karachi. His independent practice has evolved since 1968 into dealing with urban planning and development issues, particularly those concerning Asia and Pakistan. He has been a consultant and advisor to many CBOs, NGOs, and donor agencies. Hasan is the author of various books on development and planning. See less