Turner-Fairbank Highway Research Center Experts
The expertise of our scientists, engineers, and support staff encompasses more than 100 transportation-related disciplines and expertise areas. The following expertise areas and contacts can be found at the Turner-Fairbank Highway Research Center (TFHRC), and offices housed at the research and development facility: the Office of Infrastructure Research and Development, the Office of Operations Research and Development, the Office of Safety Research and Development, and the Office of Research Services, which supports all three research offices and the Exploratory Advanced Research Program. The 15 laboratories and data centers at TFHRC provide a vital resource for advancing the body of knowledge that has been created and developed to solve national transportation goals.
All media queries and interview requests should be directed to the Office of Public Affairs at 202-366-0660.
Office of Research, Development, and Technology
Program Management [HRT-1]
Hartmann, Joseph (Joey) L
Associate Administrator for Research, Development, and Technology (RD&T) and the Director of Turner-Fairbank Highway Research Center (TFHRC)
Thor, Craig
Chief Scientist
Sheehan, Robert
Program Manager
Sergeson, Patricia
Program Analyst
Johnson, Angela
Executive Assistant
Research Innovation Management Team [HRT-10]
Kuehn, David
Program Manager
Brown, Eric R.
Program Analyst
Huie, Mary
Program Analyst
Office of Infrastructure Research and Development
Program Management [HRDI-1]
Nehme, Jean
Director
Sivaneswaran, Nadarajah (Siva)
Technical Director, Infrastructure Research and Development
Fitzgerald, Cara
Program Coordinator
Johnson, Angela
Executive Assistant
Infrastructure Materials Team [HRDI-10]
Mensching, David
Team Leader, Infrastructure Materials Team
Cooper, Michelle
Concrete Materials Research Engineer
Leavitt, Aaron
Asphalt Materials Research Engineer
Munoz Campos, Jose
Research Chemist
Stewartson , Erin
Research Materials Engineer
Youtcheff, Jr., John S (Jack)
Principal Materials Research Engineer
Infrastructure Analysis and Construction Team [HRDI-20]
Petros, Katherine A
Team Leader, Infrastructure Analysis and Construction Team
Azari, Hoda
Nondestructive Evaluation Research Engineer
Corrigan, Matthew
Construction Research Engineer
Golalipour, Amir
Research Highway Engineer
Sakhaeifar, Maryam Sadat
Asphalt Materials Research Engineer
Zabihi Siabil, Salar
Research Civil Engineer (Highway)
Long-Term Infrastructure Performance Team [HRDI-30]
Jiang, Yan (Jane)
Team Leader, Long-Term Infrastructure Performance Team
Aponte Rivera, Jennifer
Research Highway Engineer
Bhide, Shrinivas
Sr. Research Structural Engineer
Elias, Mohammed B.
Sr. Research Pavement Engineer
Lu, Ping
Research Structural Engineer
Walker, Deborah
Sr. Research Pavement Engineer
Wiser, Larry J
Sr. Research Pavement Engineer
Zobel, Robert
Coordinator, Long-Term Bridge Performance Program
Bridge Engineering Team [HRDI-40]
Graybeal, Benjamin
Team Leader, Bridge Engineering Team
Barrett, Timothy
Structural Materials Research Engineer
Helou, Rafic
Structural Concrete Research Engineer
Nicks, Jennifer E
Geotechnical Research Engineer
Pagenkopf, James
Hydraulics Research Engineer
Slein, Ryan M.
Structural Steel Research Engineer
Office of Safety and Operations Research and Development
Program Management [HRSO-1]
Harding, John
Director
Abdi, Hiwot K
Management Analyst
VanGorder, Randy
Highway Research Engineer
Wright, Felicia
Administrative Assistant
Roadway Team [HRSO-10]
Chen, Shyuan-Ren (Clayton)
Team Leader, Roadway Team
Arispe, Eduardo
Research Mechanical Engineer
Hourdos, John
Research Highway Engineer
Migliore, Marisa
Research Highway Engineer
Zhang, Wei
Highway Research Engineer
Safety Data and Analysis Team [HRSO-20]
Tan, Carol H
Team Leader, Safety Data and Analysis Team
Banihashemi, Mohamadreza
Transportation Operations Engineer
Du, Lili
Research Highway Engineer
Fay, Charles
SHRP 2 Safety Research Manager
Kim, Woon
Research Highway Engineer
Lim, In-Kyu
Highway Research Engineer
Human Factors Team [HRSO-30]
Zineddin, Abdul
Team Leader, Human Factors Team
Arnold, Michelle
Engineering Research Psychologist
Eisert, Jesse
Research Psychologist
Mero, Laura
Research Psychologist
Transportation Enabling Technologies Team [HRSO-40]
Bujanovic, Pavle
Highway Research Engineer
Chou, Danielle
Transportation Operations Engineer
Hall, Tiffany
Transportation Operations Engineer
Nallamothu , Sudhakar
Research Highway Engineer
Office of Research Services
Program Management [HRRS-1]
Shelsta, Heather
Director
Hartwell, Ahmani
Administrative Management Specialist
Kerr, Brian
Facilities Manager
McGrath, James
IT Manager
Research and Technology Program Development and Partnership Team [HRRS-10]
Mooney , Rajashree
Team Director
Ammar, Mohamed
Accountant/Financial Manager
Frenkil, Janet
Senior Research and Technology Legislative and Budget Analyst
Landolt, Jean
Research and Technology Program Coordinator
Tang, Connie
Senior Legislative and Budget Analyst
Research Communications Team [HRRS-20]
Shine, Daniel
Team Director
Brown, Darlene
Publication Manager
Lee, Angela
Administrative Management Specialist
McCrae, TaMara
Management Analyst
Vanlandingham, Dawn
Information Management Specialist/Transportation Specialist
Last updated: Tuesday, June 30, 2026