Over 15 years’ experience in Civil Engineering and Technology of Road Traffic. Now, he is an expert of tunnel projects regarding the Ca-Pass road tunnel, Cu-Mong tunnel and Hai-Van road tunnel upgrading; participated in designing and reviewing the work items of approach roads, intersections, and road tunnel; Education history: Doctor (Dr.-Eng) in Technology of Road Traffic and Traffic Management, Dresden University of Technology, Germany in October 2008; Master of Engineering in Civil Engineering, University of Transport and Communication (UTC), Vietnam, in January 2001; University Degree in Road  Highway Engineering, University of Transport and Communication (UTC), Vietnam, in June 1997.