1982 - Present: Purdue University, Professor of Construction Management
2008 - 2011: Associate Department Head, Building Construction Management
Jan-Sep. 2013: Interim Department Head, Building Construction Management
1995-1999: Purdue University, International Program
Resident Program Coordinator, Malaysia Polytechnics Development Project, Batu Pahat, Johor, Malaysia
1982: University of Virginia, Charlottesville, VA. Research specialist
1962-1982: Kabul University, Kabul Afghanistan. Associate Professor, Head of Department and Dean of School of Engineering. (Removed from position in 1978 due
to communist take over in 1978)