Publications: 
Google Scholars Citation Record
Publications, Citations, h-index, i10-index

Joined the College of Engineering: 1999

Active Scientific and Professional Society Memberships: 

• President of the International Society of Maintenance and Rehabilitation of Transport Infrastructures (www.ismarti.org)
• President of Korea-American Society of Civil and Environmental Engineers (www.kscee.org)
• Chairman of International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities (www.maireinfra.org)
• Chairman of TRB Subcommittee on Computer Imaging Technology for Pavement Evaluation
• Editorial Board of ASCE Journal of Infrastructure Systems and International Journal of Pavements
• Member of National Academy of Engineering of Korea (NAEK)
• Board of Directors of Korean Block Association and Korean Society of Disaster Information
• Former(40th) President of the Korean-American Scientists and Engineers Association (KSEA)
• Former Chairman of ASCE T&DI Highway Pavements Committee

Special Fields of Knowledge: 

• Transportation Engineering
• Digital Image Processing
• Sustainable Civil Infrastructure Design
• Civil and Construction Materials
• Pavement Recycling
• Pavement Maintenance
• Polymers for Construction Materials, Low-Carbon Urban Design

Research Areas:

• Innovative low-carbon innovative construction materials
• Warm mix asphalt, Asphalt pavement recycling technologies
• Pavement maintenance technologies
• Automated pavement crack image analysis system
• Ultra high performance concrete