1. Lecturer, Construction Management Group, School of Civil Engineering, The Univ. of Leeds, Leeds LS2 9JT, U.K.
2. Senior Staff Engineer, Norske Conoco AS, Tangen 7, 4070 RANDABERG, Norway.
3. Project Manager, New Maintenance–MTS/A, Basell Polyolefins, UK Ltd, Carrington Site.
4. Independent Consultant, 50-117 Wroclaw, Igielna 9m4, Poland. formerly, Project Manager, UNICEF, New York.