Dr. Parker is an independent consultant with over 45 years of engineering experience on the design and construction of numerous tunnels of all sizes, types, and geology. In addition to his geotechnical expertise, he is consulting now on issues involving general tunnelling design, environmental, risk management, planning, cost, public relations, and safety issues from an international perspective. He has been primarily engaged as a member of a Board, an expert, or in a senior review capacity on planning, design, and construction of major facilities for highway, transit, railroad, water and wastewater, hydroelectric, port, defence, and development of surface and underground schemes in over a dozen countries.
Dr. Parker is a recognized leader in the tunnelling industry and is especially active in the International Tunnelling and Underground Space Association (ITA) where he served 3 years as President. He has published extensively on geologic investigations for underground works including a chapter in the Tunnel Engineering Handbook and numerous papers and lectures on the subject worldwide.