Dr. Puckett is a licensed engineer who has worked in research and development for 40 years. He is formerly Director of the Durham School for Architectural Engineering and Construction at the University of Nebraska. (2015-2021)He was a sub-consultant to Modjeski and Masters in developing the LRFD Bridge Design Specification (NCHRP 12-33). He has conducted numerous research projects in software development and physical testing of bridges and bridge components ranging from lightly reinforced bridge decks, geotextile-reinforced approach embankment fills, asphalt joints, temperature effects, and wood girders. Software development efforts include analysis, design, and rating tools for steel, conventionally reinforced concrete, prestressed concrete, and wood.Dr. Puckett was a sub-consultant to Michael Baker, Jr., Inc. for developing AASHTO’s rating and design systems (BrR/BrD). He is a consultant to the Wyoming Department of Transportation for the development and maintenance of the BRASS software suite and is developing programs for the analysis, design review and rating of bridges (BRASS-LRFD) and a program for LRFD culvert design and rating. He has been PI on NCHRP 12-50 (Software Validation Guidelines) and 12-62 (Simplified Live Load Distribution Factors). Recently in NCHRP 20-07 (209), Dr. Puckett has worked with SCOBS T-12 to rewrite the Standard Specifications for Structural Supports for Highway Signs, Luminaries and Traffic Signals. He is the principal investigator for NCHRP 10-80 to revise the LTS to LRFD. He serves AASHTO T-12 as a consultant to support the maintenance of the Specifications.Dr. Puckett has published over 100 articles and presentations related to bridge engineering. He regularly speaks at the AASHTO Bridge Subcommittee meetings and other practice-oriented forums. He is co-author of a John Wiley book, Highway Bridge Engineering--Based on AASHTO LRFD, Fourth Edition.The academic Web page is at: http://engineering.unl.edu/durhamschool/faculty/jay-puckett/ Specialties: structural engineering, bridge engineering, software engineering