Dr. David Timm

Dr. David Timm is the Brasfield & Gorrie Professor of Civil Engineering at Auburn University where he has been on faculty since 2001. Dave earned his BCE, MS and PhD degrees from the University of Minnesota where he worked on full-scale pavement testing at MnROAD. At Auburn, he continues to work on full-scale pavement research at the National Center for Asphalt Technology Pavement Test Track focusing on pavement design methodologies, including perpetual pavements. Dave currently chairs the TRB committee on Design & Rehabilitation of Asphalt Pavements and serves on the NCAT and AAPT boards of directors. He is a registered professional engineer in Alabama.

Dr. George K. Chang, P.E.

Dr. George Chang is recognized as the expert on pavement smoothness and intelligent compaction/construction technologies. Dr. Chang has founded the International Intelligent Construction Technologies Group (IICTG). His research, teaching, specification development and software tools (such as ProVAL and Veta) have helped made significant technology advancements in the above fields. Dr Chang has been the principal investigator for numerous projects that enhancing pavement materials/structures, pavement surface characteristics, etc. Recognized for his energetic, lively teaching style, Dr. Chang delivers smoothness and intelligent compaction/construction related workshops around world.

Dr. Chang has been the chairman for the International Intelligent Construction Technologies Group (IICTG), Road Profile Users’ Group (RPUG), TRB AFD90 Pavement Surface Properties and Vehicle Interaction committee, etc. Dr. Chang received many awards including a Kummer Lecture Award, Meyer-Horne Award, and ASTM Billiard-Stubstad Award from the ASTM; NOVA award from Construction Innovation Forum, Founders’ Award from RPUG; Certificate of Appreciation from TRB; and Emeritus Member of TRB AFD90 Committee. His research work has been featured in over 50 professional publications and 100+ reports.