2024 Virginia Concrete Conference
Concrete is the Resilient Solution

March 14-15, 2024


Andy Babish, PE, State Materials Engineer, VDOT
Andy obtained his Bachelor’s degree in Civil Engineering Technology from Bluefield State College and his MSCE from Virginia Tech.  Andy has been with VDOT over 25 years with the last 15 years as the State Materials Engineer.  He started as a geotechnical engineer designing deep foundations for bridges within VDOT before moving to Materials where he worked on soft ground improvement methods for major projects.  Subsequently, he took roles in various District Materials offices before becoming the State Materials Engineer.

Stan Bland, PE, Pavement Application Director, Southeast Cement Promotion Association
Stan is a 1971 graduate of Clemson University with a Bachelor of Science in Civil Engineering and is a registered Professional Engineer in South Carolina. His career began at SCDOT in 1971. After 6 years as Resident Engineer in McCormick and Edgefield Counties, he served at SCDOT District 4 as District Construction Engineer for 23 years and District Engineer for 10 years, where he supervised over 650 people. Stan spent his last year at SCDOT as State Pavement Reclamation Engineer, retiring in 2011 with 40 years of service. In October 2011, he joined the Southeast Cement Promotion Association as the Pavement Applications Director for the Carolinas/Virginia. Currently, he is the Pavement Applications Director for the Carolinas. Stan was awarded the ARRA Special Recognition Award for Excellence in Full-Depth Reclamation in 2004, and also in 2011 received an Honorary Lifetime Membership from ARRA. Stan served on PCA’s Technical Advisory Committees for the development and creation of the guides for Cement-Stabilized Subgrade Soils and Full Depth Reclamation. He is currently a member of the Asphalt Recycling and Reclaiming Association (ARRA) Full-Depth Reclamation Committee.

Stephen C. Brich, PE, Commissioner, VDOT
In January 2018, Stephen C. Brich was appointed commissioner of the Virginia Department of Transportation (VDOT), the third largest highway agency in the country. Commissioner Brich oversees a $8.6 billion annual budget and a team of 7,700 people who are responsible for designing, building, maintaining and operating the state’s nearly 58,000 miles of roadway, 21,000 structures and bridges, six tunnels and three ferry systems.
Brich holds a bachelor’s degree in civil engineering from Old Dominion University and a master’s degree in civil engineering from the University of Virginia. He is a licensed professional engineer in Virginia and Maryland.

Thomas Carnes, Phd Candidate, Virginia Tech
Thomas Carnes is a PhD candidate in the Charles E. Via, Jr. Department of Civil and Environmental Engineering at Virginia Tech. He is also a recipient of the Charles E. Via Fellowship which recognizes the very top PhD applicants in this department. He received his BE in civil engineering from Youngstown State University, and his MS in civil engineering from the University of Akron. His research interests include the analysis, design, and behavior of concrete structures including resilience, use of composite materials, and retrofitting techniques to improve the performance of concrete structures. His PhD dissertation focuses on controlling anchorage zone cracking in prestressed concrete bulb-tee girders. In addition, he is an ACI and ASCE member and advises the Virginia Tech Concrete Canoe Team.

Micah Ceary, PhD, PE, DBIACentral Office Structure & Bridge Division Design Engineering Program Manager for the Project Development Program Area, VDOT
The Project Development Program Area is responsible for VDOT in-house design, coordination of consultant design, and oversight of Tier 2 project. Prior to joining VDOT, Dr. Ceary worked for 24 years on Design-Build and Design-Bid-Build projects from Maryland to South Carolina. Dr. Ceary thesis and dissertation investigated in-situ presence and characterization of delayed ettringite formation in Maryland.

Christopher Clarke, PE,  Senior Associate Engineer, Schnabel Engineering
Christopher is a Senior Associate Enginner with Schnabel Engineering in Sterling, Virginia with over 15 years of geotechnical and pavement engineering experience working throughout the United States and internationally.   Chris has successfully completed many diverse geotechnical and pavement projects designing roadway infrastructure, airport facilities, water and wastewater facilities, and international sites.  Chris Clarke is a graduate of the University of Virginia for undergrad and University of Maryland, where he earned a master’s degree in pavement and geotechnical engineering. 

Zachary Coleman, Phd Candidate, Virginia Tech
Zachary Coleman is a Ph.D. candidate at Virginia Tech and member of ACI Committees 228, Nondestructive Testing of Concrete; 364, Rehabilitation; and 408, Bond and Development of Steel Reinforcement. He received the ACI Daniel W. Falconer Memorial Fellowship in 2020 and the ACI-James Instruments Student Award for Nondestructive Testing of Concrete in 2022. After graduating in May, he will be joining Wiss, Janney, Elstner Associates as an Associate Engineer.  

Brian Diefenderfer, PhD, PE, Principal Research Scientist, Virginia Transportation Research Council (research division of VDOT) 
Brian is a Principal Research Scientist at Virginia Transportation Research Council (research division of VDOT) in Charlottesville where he has worked for the past 20 years. His research focuses on providing better tools for VDOT to use when designing and rehabilitating its pavement network, including pavement recycling techniques. Brian received his Bachelors, Masters, and Doctoral degrees in Civil Engineering from Virginia Tech and is a licensed Professional Engineer in the Commonwealth of Virginia.

Roger A. Faulkner, PE, Executive Director, Southeast Cement Promotion Association (SCPA)
Roger is Executive Director of the Southeast Cement Promotion Association, Inc. (SCPA). SCPA is a trade association of cement companies in the southeastern United States which promotes cement and concrete infrastructure solutions in the 9-state area of AL, GA, MD, MS, NC, SC, TN, VA and WV. He has over 40 years of experience in the construction and engineering design industry and has been in his current role since 2011. He has a Master of Business Administration (MBA) degree from Capital University, a Bachelor of Science in Civil Engineering (BSCE) Degree from The Ohio State University and is a Professional Engineer.

Dr. Gerardo W. Flintsch, PhD, Professor of Engineering, Virginia Tech – Director, Center for Sustainable and Resilient Infrastructure 
Dr. Flintsch is the Dan Pletta Professor of Engineering with The Via Department of Civil and Environmental Engineering and the Director of the Center for Sustainable and Resilient Infrastructure of the Virginia tech Transportation institute at Virginie Tech.  He has directed asset management research and development projects in many counties and has produced more than 400 journal papers, technical reports, articles and conference presentations.  He also chairs the TRB standing committee AKP10 on Pavement Condition Evaluation and the PIARC technical committee 3.3 on Asset Management.  He and serves as vice-president and technical director of FM Consultants, LLC. 

T.R. Fluker, PE, Senior Associate at Schnabel Engineering, President of VA American Concrete Institute
T.R. Fluker, PE is Senior Associate with Schnabel Engineering and the current President of the Virginia Chapter of the American Concrete Institute.

Dean Hackett, PE, Salem District Structure & Bridge Engineer, VDOT
As VDOT’s Salem District Structure & Bridge Engineer Dean is responsible for the design, construction support, and maintenance of over 3000 structures as well as a multi-disciplinary team of engineers, bridge inspectors, and bridge maintenance crews. He is also responsible for the delivery of the district’s bridge program, which includes asset management, estimating and budgeting, project selection and prioritization, and implementation. Dean holds a Bachelors in Civil Engineering and Master’s in Engineering Management from Old Dominion University, is a licensed Professional Engineer in Virginia, and has worked in VDOT’s Structure and Bridge division for over 37 years. 

Shabbir Hossain, PhD, PE, Associate Principal Research Scientist, VA Transportation Research Council (VTRC)
Shabbir Hossain is an associate principal research scientist at the Virginia Transportation Research Council, a research division of the Virginia Department of Transportation. He is involved in applied research for pavements for more than 30 years. His research areas are subgrade, base and rigid pavements. He obtained his masters and doctorate degrees from Auburn University in the areas of pavement materials. Dr. Hossain is a registered professional engineer in the Commonwealth of Virginia and the state of Texas. He is a member of TRB committee on Concrete Pavement.

Ashley Johnson, PE, Design Team Leader, Richmond District, VDOT
Ashley Johnson, PE, is a Design Team Leader in the VDOT Richmond District Structure and Bridge Office.  She has almost 15 years of experience in the Virginia transportation industry, with expertise in the areas of new bridge design, rehabilitation, load rating, bridge inspection, bridge construction, and project management.  Ashley has a Bachelor’s and Master’s degree in Civil Engineering from Tulane University, and a Master’s degree focused in structural engineering from Virginia Tech. 
804-609-5315 (office) 

Darrell Lewis, Salem District Bridge Maintenance Program Manager, VDOT
Virginia Department of Transportation Salem District Bridge Maintenance Program Manager responsible for the bridge maintenance in the 12 counties within the Salem District. Our bridge inventory includes 3,000 structures on the interstate, primary, and secondary system. His studies include engineering and business management as well as in field training for the last 28 years with VDOT. 

Kenny Liesfeld, Founder and President, New Field Incorporated
Kenny’s experience in the construction industry began at J. E. Liesfeld Contractors Inc., where Kenny and his brothers worked alongside their father from childhood. In 2015, Kenny founded New Field Inc. After a few years Kenny began to see the potential of recycling and decided to diversify the company and get in to stabilizing. He realized that with the new technology that was available in the market, as well as some in-house innovation, FDRc could be performed better and faster. With this vision, he and his staff developed an innovative Paver Laid process to perform completed FDRc at up to 12 inches thick in a single pass of a paving train. He has worked with Federal Highways, Eastern Federal Lands, VDOT, NCDOT, Henrico County, Dulles Airport, and Department of Aviation of Virginia. One of his favorite things to do is to is spend time working alongside his crews in the field to continually improve the quality and productivity of New Field’s work.

Adam Matteo, PE, Assistant State Structure and Bridge Engineer for Bridge Maintenance and Bridge Management, VDOT
As the Virginia Department of Transportation’s Assistant State Structure and Bridge Engineer for Bridge Maintenance and Bridge Management, Adam is responsible for establishing policy for the maintenance of over 19,000 of Virginia’s highway bridges and large culverts.  He started his career at a shipyard, performing structural analysis on submarine pressure hulls. He has 38 years of engineering experience in structural design, bridge maintenance, and construction management.


Bachelor of Science, Civil Engineering, University of Virginia, 1984;  Master of Science, Civil Engineering, Massachusetts Institute of Technology, 1993

LICENSES: Registered in Virginia and California            

Sheppard “Shep” Miller III, Secretary of Transportation, Virginia
 Sheppard is a native and lifelong resident of Norfolk. He received a B.A. from Hampden-Sydney College and an MBA from the College of William & Mary. In 2017, he retired as Chairman upon his sale of KITCO Fiber Optics, a defense-contracting firm, twice named as one of Virginia’s “Fantastic 50” fastest growing companies. He is a member of the Commonwealth Transportation Board and the Board of Virginia Free. He is a member of the Board of Trustees of Washington College, and the Virginia Foundation of Independent Colleges. He serves as Vice Chairman of the Norfolk Board of TowneBank and is an Executive Board member of the Greater Norfolk Corporation, Sail250 Virginia and the Hampton Roads Chamber of Commerce. His past community activities include service as Chairman or President of the Norfolk Economic Development Authority, the Norfolk Redevelopment & Housing Authority, the Hampton Roads Chamber of Commerce Political Action Committee, the Better Business Bureau of Greater Hampton Roads, the Peninsula United Way Campaign, Hampton Roads Ventures, and the Norfolk Rotary Club.

Evan Morris, PE, Associate, Schnabel Engineering
Evan Morris, PE has 25 years of experience in geotechnical engineering, construction monitoring and project management for transportation, power station and transmission, water treatment, industrial and commercial projects in the Mid-Atlantic.  Evan went to Widener University and Virginia Tech.  Evan uses a creative approach to solve geotechnical problems on transportation projects throughout Virginia including highway widening, embankments and structures in karst topography, roadway improvements, culvert replacements, new bridges and bridge replacements.

Maria Mutuc, PE, Resilience Program Manager,Virginia Department of Transportation (VDOT) 
Maria joined VDOT in 2021 and was instrumental in the development of the VDOT Resilience Plan released in December 2022. She is currently focused on assisting and coordinating with various Divisions within the Department towards the implementation of various resilience objectives and strategies outlined in the Plan. Maria has a B.S Chemical Engineering degree from the University of the Philippines and a M.S. Civil and Environmental Engineering degree from Virginia Tech. Maria is a registered Professional Engineer in Virginia and has over 20 years of environmental and water resources engineering experience. Prior to recently joining government service, she spent most of her career working for environmental consulting and transportation design firms with a focus on environmental compliance, assessment and documentation, sustainability, transportation stormwater management, erosion and sediment control, and drainage design. She enjoys traveling and exploring different cuisines and cultures with her husband and two boys.
Frank Nash, Stabilization Superintendent/Manager, New Field Incorporated
Frank has been in the construction industry for 25 years and for 20 years has worked in the soil stabilization and reclamation industry.  He has supervised and performed work in North Carolina, Virginia, Maryland, Delaware, and Pennsylvania on a wide range of private, state DOT, FAA, and FHWA Federal Lands projects. Frank was a co-developer of the Paver Laid process capable of performing FDRc at 12 inches.  He previously served in the United States Marine Corps from 1989-1995 as an Aviation Mechanic.

Thomas L. Nelson, Jr., PE, Virginia Division Administrator, Federal Highway Administration
Thomas Nelson, Jr. has served as the Federal Highway Administration (FHWA)Virginia Division Administrator since June 2019. In this capacity, he provides leadership and direction to a diverse professional staff in implementing the $1.2billion Federal-aid highway program. Most recently, Thomas served for 4 years as the Division Administrator for FHWA in Kentucky. Prior to his position as Division Administrator, Thomas was the Special Assistant to the Administrator. In this capacity, he provided direct support to the Administrator and served as a key adviser on program and policy issues having national, regulatory, and legislative implications. He also coordinated critical Agency initiatives, and interacted regularly with senior officials inside and outside of FHWA. He assisted the Administrator in the delivery and implementation ofMAP-21 and the implementation of the Agency signature initiative for accelerating project delivery, Every Day Counts. Thomas also served as a Major Projects Engineer in the Office of Innovative Program Delivery where he was responsible for providing technical and policy assistance to FHWA field offices, partners and stakeholders in implementing risk-based project management. Before joining FHWA, Thomas served for over eight years as a Vice President and Area Manager for CH2M Hill (now Jacobs). Thomas also gained 10 years of valuable design and project management experience with the Michigan Department of Transportation where he served as the Unit Leader for Highway Design. He holds a Bachelor of Science Degree in Civil Engineering from Michigan State University and is a licensed Professional Engineer.

Nathan Porter, PE, Senior Bridge Engineer,  AECOM
Nathan is a Senior Bridge Engineer at AECOM with over 22 years of bridge design and management experience in major highway design-build, Public-Private Partnerships and heavy freight rail projects.  His bridge design experience encompasses both steel and concrete structures which includes cable-stayed, steel plate and box girders, steel truss and arch, prestressed bulb-T, and post-tensioned concrete bridge elements.  He currently serves as the Structures Department Manager for AECOM in their Richmond, Virginia office.

Carin Roberts-Wollmann, PhD, Professor and Associate Department Head for Graduate Studies, Virginia Tech
Carin received her BS in Civil Engineering from the University of Nebraska – Lincoln, and received her MS and PhD from the University of Texas at Austin.  Currently, she is a professor and Associate Department Head for Graduate Studies in the Via Department of Civil and Environmental Engineering at Virginia Tech. She specializes in reinforced and prestressed concrete, and primarily focuses her research on new materials and new construction procedures to enhance the economy, durability and constructability of concrete bridges and buildings. She is a voting member of ACI Committee 318 – Building Code and Commentary, as well as several other code-writing committees.

Tommy Schinkel, PE,  Richmond District Materials Engineer, VDOT 
Tommy is the Richmond District Materials Engineer at VDOT. He has been in that role for the past 11 years and over 20 years overall with the Department.  The previous decade he spent time in various roles at Central Office Materials in the Engineer Associate Program, Physical Lab, Soils Lab, Asphalt Lab and Quality Assurance Group.   

Karl Schmid, PE,  Virginia/Maryland Area Principal Bridge Engineer, HDR
Karl earned a BSCE and an MSCE from Purdue University in 1989 and 1991 respectively. He has 32 years of experience specializing in bridge design, spending 29 years with CH2M Hill and Jacobs, and has currently been with HDR for 3.5 years. His key past assignments include GEC role for I-66 Outside the Beltway in Northern Virginia; CH2M’s Structure Design & DSDC Manager for the $1.3B Zoo Interchange in Wisconsin. Structure Design Manager for the $1.5B IH 94 N-S Corridor/Mitchell Interchange Project in Wisconsin. He is currently HDR’s DSDC Structures Lead for the $3.3B Hampton Roads Bridge-Tunnel project between Hampton and Norfolk, VA.

Bryan Silvis, Bridge Maintenance and Management, VDOT
Bryan has a B.S. in Civil Engineering from Virginia Tech and started with the Department as an Engineer Trainee in 1994.  He worked in the private sector from 1998 to 2003 before returning to VDOT.  During his career, he has designed and detailed numerous new and rehabilitated bridges, validated and selected software, developed and provided software training, and administered the “SuperLoad” Overweight Hauling Permit Program.  In his 12 years working in the Engineering Services Section, he developed and maintained office practices, standards, Informational and Instructional Memoranda, special provisions, and Specification updates.  He performed substructure review for AARA projects, completed a temporary assignment in the Innovative Project Delivery Division, and served as Official Point of Contact for VDOT’s load rating software and database.  He joined the Bridge Maintenance and Management Section in 2019 focused on performance measures and reporting, but is currently working on maintenance related requirements, guidance, details, and Specification-related updates.

Todd Springer, MSCE, PE, Assistant State Structure and Bridge Engineer, Project Development Program Area, VDOT
Todd brings a wealth of expertise and a distinguished 33-year career in progressive bridge engineering to his current role as the Assistant State Structure and Bridge Engineer within the Project Development Program Area at VDOT’s Structure and Bridge Division at Central Office. His professional journey includes pivotal roles such as Bridge Maintenance and Management Program Manager at VDOT’s Structure and Bridge Division, Bridge Program Manager for Jacobs/CH2M HILL on the Northern Virginia Mega Projects Program, and Design Manager for the reconstruction of coastal highways and bridges as part of the Sri Lanka Tsunami Reconstruction Program. Throughout his career, Todd has demonstrated expertise in diverse aspects of bridge engineering and related structures. His accomplishments span designing numerous new and replacement bridges, overseeing the rehabilitation, widening, and repair of existing bridges, conducting bridge safety inspections and condition surveys, and providing extensive support during construction. With a versatile skill set, he has contributed to projects using various delivery methods, including design-bid-build, design-build, and P3. Todd’s professional journey also encompasses significant roles such as Senior Project Manager and Senior Bridge Engineer, reflecting his wealth of experience and comprehensive understanding of bridge design, maintenance, management, and inspection.

David Stowell, Pavement Application Director, Southeast Cement Promotion Association
David serves as the Pavement Application Director in Virginia for the Southeast Cement Promotion Association as of January 2023. Prior to that, he was the business development manager for New Field Inc. One of his primary goals at New Field was to help launch the Paver-Laid FDRc system. Before that, he was the business development manager for Slurry Pavers Inc., specifically in Soil Stabilization and Full-Depth Reclamation. Before serving with Slurry Pavers for 18 years, he was with a competitor for 6 years in the same role. He spends his time visiting the federal government, DOTs, developers, site contractors, and most importantly to him, visiting crews on the current job site.

Sivaraman Venugopalan, President, Siva Corrosion Services, Inc.
Siva Venugopalan graduated from Florida Atlantic University with a Master of Science in Ocean Engineering. He is a Cathodic Protection Specialist certified by NACE. He has published his work in several peer-reviewed journals. Mr. Venugopalan is President and Principal Engineer of Siva Corrosion Services and a member of Tau-Beta-Pi Engineering honor society. He has 30 years of experience in degradation of concrete, and embedded steel corrosion, non-destructive testing (NDT), Design & installation of sensors for bridge health monitoring, and design/inspection of conventional as well as electrochemical rehabilitation techniques. He received an award for developing the corrosion protection plan that provides 100-year service life for Harry Nice Middleton Bridge between Virginia and Maryland.

Amy Wells, Virginia Department of Aviation
Amy Wells has been with the State for almost 27 years.  She spent just over 8 years with VDOT completing preliminary engineering in the development of new road corridors.  Since leaving VDOT she has been with Virginia Department of Aviation assisting Virginia’s public use airports in funding for their capital improvement, maintenance, and security projects.  She received her bachelor’s degree in civil engineering from Old Dominion University.  It was at ODU that she met her husband Mike, which as of last week, has been married for 27 years and together for over 30 years.  They have one son Steven who is currently working on a communications degree.  When not trying to keep the two men in her life straight, she enjoys bowling, watching sports and adding to her collections of Coca-Cola, Lego, and trains.

Kenneth Wright, PE,  Northeast Area Principal Bridge Engineer and a Principal Project Manager, HDR
Kenneth earned a BSCE from Lehigh University in 1982 and an MBA from Baker College in 2007.  He is currently a registered Professional Engineer in 6 states. He has been with HDR for 41 years, in several roles including Structures Section Manager for Pennsylvania and later the Transportation Business Group Manager for PA, WV and OH. His key recent assignments include the Independent Design Quality Manager for the $287M Cleveland Innerbelt CCG1; Design Manager for the $3.98B Tappan Zee Bridge Replacement in NY; and the Project Manager/Lead Engineer for the $899M PA Rapid Bridge Replacement Project.  He is currently HDR’s Engineering Manager for the $3.3B Hampton Roads Bridge-Tunnel project between Hampton and Norfolk, VA


Southeast Cement Promotion Association, Inc.
770-230-4060 FAX 770-501-9811

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