1. Professor Emeritus, Louisiana Tech University, Ruston, USA
2. Professor, Centre Applied Research Underground Space, Rotterdam, the Netherlands
3. Senior Scientist, Russian Academy of Sciences, Saint Petersburg, Russia
4. Consultant and Past President, International Tunnelling and Underground Space Association, Lausanne, Switzerland
5. Honorary Senior Executive, Paris Transportation Authority, RATP, Paris, France
6. General Manager, City of Helsinki – Geotechnics
7. Professor of Geotechnical Engineering, University of Birmingham, Birmingham, UK
8. Professor and Senior Urban Planner, Vice Chief Planner of Beijing Municipal Institute of City Planning and Design, Beijing, China
9. Professor (retired), Okayama University, Japan