Richard Bennett, PE, PhD
University of Tennessee

Richard Bennett, PhD, PE is a Professor of Civil and Environmental Engineering at the University of Tennessee. He was chair of the 2016 TMS 402/602 code committee, 2nd vice-chair of the 2022 committee, and vice-chair of the 2028 committee. He is a coauthor of Strength Design of Masonry and the editor for the 2022 edition of the Masonry Designers' Guide.

David D Byers, PhD, PE
Genesis Structures, Inc.

Dr. Byers was a founding principal of Genesis Structures in 2004 and has over 35 years of bridge and specialized structural design experience. David is a registered Professional Engineer in 26 states and the District of Columbia. He has taught steel design and bridge design at the University of Kansas and has been a guest lecturer at the University of Notre Dame and Columbia University on the topic of erection and demolition of complex bridges.

Jeff Cavallin, PE

Jeff is a principal bridge engineer serving Parsons’ Infrastructure Division in its Minneapolis, MN, office and has been with Parsons for over 19 years. He has extensive design, peer review, and construction engineering and inspection experience on several of MnDOT’s major projects, including the I-35W Bridge Emergency Reconstruction, I-494 Wakota Bridges, Hastings Bridge design-build, Dresbach River Bridges, and the St. Croix River Crossing. Jeff has served as the Design Oversight Manager for the Twin Ports Interchange Project since 2018, responsible for coordinating all consultant bridge designs with the MnDOT project team and bridge office. He is a graduate of the University of Minnesota Twin Cities and the University of Colorado Boulder and is a licensed engineer in the state of Minnesota.

Matthew F. Fadden, PE PhD
Wiss, Janney, Elstner Associates, Inc.

Matthew Fadden is a senior associate in the South Florida office of WJE. His primary areas of expertise include the design, analysis, and evaluation of steel and reinforced concrete structures. Prior to joining WJE, Dr. Fadden was a professor in the Department of Civil, Environmental, and Architectural Engineering at the University of Kansas.

Nick Haltvick, PE
Minnesota Department of Transportation

Nick is an engineer with the Minnesota Department of Transportation and has served in a variety of roles related to bridge design, construction, maintenance, planning, and preservation for 12 years. Notable large projects he has been involved with include the Lafayette Bridge Replacement (TH 52 in St. Paul), Downtown-to-Crosstown Reconstruction (I-35W in Minneapolis), Baudette International Crossing (TH 72 between Minnesota and Ontario), Twin Ports Interchange Project (I-35/I-535/TH53 in Duluth), and several projects and studies related to the Blatnik Bridge (I-535 between Duluth and Superior, Wisconsin). Nick is a graduate of South Dakota State University and is a licensed engineer in the state of Minnesota.

Ahmad A. Hamid, PhD, PE
Drexel University

Ahmad A. Hamid, PhD, PE, is Professor Emeritus in the Department of Civil, Architectural and Environmental Engineering at Drexel University in Philadelphia, where he taught masonry courses at both the undergraduate and graduate levels. His fundamental and applied masonry research includes material characterization and seismic resistance and retrofit of masonry structures. He has published over 200 articles on behavior, design and evaluation, and retrofitting of masonry structures. Dr. Hamid is the author of the 4th edition of Masonry Structures: Behavior and Design published by The Masonry Society in 2018. He is a Fellow of The Masonry Society and has won the John B. Scalzi Research Award from the Masonry Society.

Pat Huston, PE
Minnesota Department of Transportation

Pat has worked for MnDOT in District 1 Duluth for the past 32 years in a wide variety of roles. He currently leads the District 1 - Duluth Major Projects team working on the Twin Ports Interchange and Blatnik Replacement projects. Pat enjoys working on complex projects because of the challenges they present, but more so, because of the great people these types of projects attract to the team. It’s amazing what can be accomplished with great teams! He is a graduate of the University of Minnesota Twin Cities and is a licensed engineer in the state of Minnesota.

Steve Kaldenbach, PE
Kraemer North America

Steve is the Minnesota VP – Area Manager and has worked for Kraemer in MN for over 21 years. He has worked on a variety of technically challenging bridge projects which include the Smith Ave. High Bridge, the Franklin Ave. Bridge, and the I-35E Bridge across the Mississippi River. Steve currently serves as the Project Manager for Ames/Kraemer Joint Venture on the Twin Ports Interchange Project. He has been involved with several CMGC projects and really enjoys the collaborative process that allows the contractor, designer and owner to work together to solve project challenges. Steve is a graduate of Lakehead University in Thunder Bay and is a licensed engineer in the state of Minnesota.

Jonathan C. McGormley, PE, SE (IL)
Wiss, Janney, Elstner Associates, Inc.

Jonathan McGormley joined WJE in 1994 upon completion of his Master's degree at Purdue University. Jon has extensive experience with the evaluation, instrumentation, and repair of deteriorated or distressed structures. He has led many collapse investigations and has particular expertise with the evaluation of fatigue and fracture problems with steel bridge structures.

Duane Miller, ScD, PE
The Lincoln Electric Company

Duane Miller is one of the world's top experts on the design of steel connections. His work with the AISC, AASHTO, AWS, and Lincoln Electric has resulted in authoritative, award-winning books and publications.

Francesco M Russo,  PhD, PE
Russo Structural Services

Dr. Russo has over 28 years of experience in bridge engineering, research, design, construction, and education. Frank is the co-developer of FHWA’s curriculum for Engineering for Structural Stability in Bridge Construction. He also is a member of the PCI subcommittee on beam stability and an advisor to AASHTO subcommittees on various topics including engineering considerations for stability in steel and concrete structures.

Michael Schuller, PE
Atkinson-Noland & Associates, Inc.

Michael Schuller is president of Atkinson-Noland & Associates, a consulting engineering firm specializing in evaluation and repair of existing structures. He has 30 years’ experience with masonry engineering, including special expertise with nondestructive evaluation and repair procedures. He has over 100 publications on concrete and masonry including a new book titled Assessment and Retrofit of Masonry Structures. He taught masonry structural design at the University of Colorado from 1999 through 2016. Michael is a fellow of The Masonry Society and the Association for Preservation Technology