Who We Are
HASS COE brings together the knowledge across USDOT, academia, and industry on highly automated transportation systems, exploring new technologies and their potential impact on safety. Based in the USDOT Office of Research and Technology, our office and its expert staff enhance and complement the capabilities of each USDOT Operating Administration, especially in areas where automation intersects across multiple transportation modes. Through partnerships with academia and industry, we help share a national framework for highly automated systems, securing a safer future for today and tomorrow.
About
Vision
Ensure the safe integration of automation into the multimodal transportation system for the good of all Americans.
Mission
Provide technical expertise, support education, and foster collaboration across the transportation community for reviewing, assessing, and validating the safety of highly automated transportation system technologies.
Values
Safety: We are driven to help achieve safety and critical benefits for the traveling public now and into the future.
Innovation: We seek out progressive ideas and aim to anticipate and positively influence how transportation uses automation. We pair curiosity with expertise to provide insight and ideas for what lies ahead.
Collaboration: We foster internal and external partnerships that augment opportunities, resilient systems, and success for all involved.
Respect: We operate with teamwork and transparency. We ask and we listen. We appreciate diverse experiences and perspectives.
Excellence: We continuously strive to provide exemplary knowledge, expertise, and perspective to our stakeholders and collaborators within and beyond U.S. DOT and to fulfill our Congressional mandate to the fullest.
Congressional Mandate
Created by the Further Consolidated Appropriations Act, 2020 (P.L. 116-94; December 20, 2019), HASS COE provides support and partnership to USDOT Operating Administrations in reviewing, assessing, and validating the safety of highly automated systems. Congress directed HASS COE to offer a USDOT-wide expert resource on the safety implications of highly automated systems, integrating expertise in artificial intelligence, computer science, data analytics, machine learning, sensors, and other technologies.
Team
The HASS COE team is made up of leaders from government, academia, and industry who bring extensive, new kinds of expertise to USDOT resources. Our senior-level specialists bring insight and perspective, operating in a highly collaborative, interdisciplinary model across subjects and skillsets.
- 15 specialists (as of Dec 2024)
- 22+ avg. years of experience
- 70% expertise from outside USDOT
- 89% has master's level education or higher
Leadership

Taylor Lochrane, Ph.D., P.E.
Director
taylor.lochrane@dot.gov
Dr. Taylor Lochrane is the Director of the Highly Automated Systems Safety Center of Excellence (HASS COE). Dr. Lochrane is an esteemed leader with two decades of experience in both the federal and private sectors. He is recognized nationally as an innovative entrepreneur in the fields of transportation, safety, automation, and research. Dr. Lochrane recently served as the Deputy Director and Chief Scientist for HASS COE. In this role, he was responsible for establishing the office and leading the team of national experts with the vision to be a national resource for expertise, research, and global leadership in advancing the safe deployment of automation in transportation. Dr. Lochrane's leadership skills have allowed him to successfully review, assess, and validate highly automated systems for safety on behalf of USDOT. Prior to joining HASS COE, Dr. Lochrane served as the Cooperative Driving Automation (CDA) Program Manager at the Federal Highway Administration, where he was responsible for managing the development of CARMA, part of a USDOT effort to accelerate the research and development of CDA. Dr. Lochrane is also known for his expertise in leveraging open-source software and using agile software development practices to accelerate innovative concepts aimed to increase the safety and improve the overall infrastructure efficiency of the transportation system. Dr. Lochrane received a Ph.D. in Civil Engineering, M.S. in Civil Engineering and Transportation Systems, and B.S. in Civil Engineering from the University of Central Florida.

Daniel "Dan" Jung
Acting Deputy Director
daniel.jung1@dot.gov
Dan Jung is the Acting Deputy Director of the Highly Automated Systems Safety Center of Excellence (HASS COE). He is currently on detail from the Federal Aviation Administration (FAA) Aviation Safety International team. Dan is a senior foreign affairs specialist with 16 years of experience at the FAA and eight years of experience in international nuclear nonproliferation programs at the Department of Energy (DOE). At the FAA, he has held various management and staff positions in the Office of Aviation Safety front office and the Flight Standards Service, as well as details to the FAA Administrator's Strategic Initiatives Group and as the FAA representative to the International Civil Aviation Organization (ICAO). He has worked on various nuclear nonproliferation activities at DOE by leading programs that support peaceful uses of nuclear technologies as well as detection, protection, disposition, and repatriation of enriched nuclear and radiological materials. In his current position as a senior foreign affairs specialist, he champions a corporate Aviation Safety approach for international engagements and strategies with a focus on ICAO. He has been the lead USG representative to the ICAO Global Aviation Safety Plan for over 12 years. Dan received an M.A. in International Studies from the University of Washington and a B.A. in Cultural Anthropology from Arizona State University.

Éva Clinkscale
Assistant Director and Program Manager
Currently on detail to the U.S. Department of the Treasury, Office of Financial Research
eva.clinkscale@dot.gov
eva.clinkscale@ofr.treasury.gov
Éva Clinkscale is currently on detail to the Office of Innovation and Engagement. As the Assistant Director and Program Manager at the Highly Automated Systems Safety Center of Excellence (HASS COE), she builds the collaborations and coalitions central to offering HASS COE as the USDOT-wide expert resource on the safety implications of highly automated systems. Éva is skilled at leading highly technical organizations to manage change, implement new ideas, and prepare for the future using best practices in engineering, program, and organizational management. Her background includes serving as Director of the Federal Motor Carrier Safety Administration's Office of Analysis, Research and Technology; Deputy Director of the National Highway Traffic Safety Administration's Office of Defects Investigation; Director with the Secretary of Defense's F-35 Joint Program Office; and Aeronautical Engineer as an Officer in the U.S. Air Force. Éva received an M.A. in Aeronautical Science from Embry-Riddle Aeronautical University and a B.S. in Engineering from the University of Oklahoma.

Tricia Sergeson, PMP
Acting Assistant Director and Program Manager
patricia.sergeson@dot.gov
Tricia Sergeson is the Acting Assistant Director and Program Manager at the USDOT Highly Automated Systems Safety Center of Excellence (HASS COE), specializing in research, development and technology deployment, project management, and program oversight. She is on detail from the Turner-Fairbank Highway Research Center (TFHRC) Office of Research Services, where she serves as the Transportation Pooled Fund (TPF) Program Manager. In this role, she administers the $370 million TPF program that brings together diverse stakeholders to advance research, innovation, and technology transfer. Through her leadership, she helps drive initiatives that enhance transportation safety, improve infrastructure, and accelerate emerging technologies. Before joining TFHRC, Tricia served as a program and project manager with the Federal Highway Administration (FHWA) Colorado Division Office supporting the over $540 million Federal Aid Highway Program in Colorado. She also led the administration and oversight of the Intelligent Transportation Systems and New Technology programs. Tricia has been recognized with several awards, including the USDOT Secretary of Transportation Award, the 2024 FHWA Individual Corporate Award, and the FHWA Administrator Award. Tricia holds a master’s degree in Public Administration from Rutgers University, as well as two bachelor’s degrees in Political Science and Foreign Languages from Washington State University.
Staff

Denise Bakar
Communications Manager
denise.bakar@dot.gov

Joshua Every, Ph.D.
Senior Scientist
joshua.every@dot.gov

Kristy Frizzell
Executive Assistant
kristy.frizzell@dot.gov

Prasad Gupte
Senior Strategist
prasad.gupte@dot.gov

Jason JonMichael
Senior Strategist
jason.jonmichael@dot.gov

Mubassira Khan, Ph.D.
Senior Scientist
mubassira.khan@dot.gov

Daniel LeMaster, Ph.D.
Senior Scientist
daniel.lemaster@dot.gov

Derek Morgan
Senior Scientist
derek.morgan1@dot.gov

Wassim Najm, Ph.D.
Senior Scientist
wassim.najm@dot.gov

Christopher Nassif
Senior Scientist
christopher.nassif1@dot.gov

Ashley Nylen, PMP
Senior Strategist
ashley.nylen@dot.gov

Steve Sill, P.E., PMP
Senior Scientist
steve.sill@dot.gov
Visiting Experts

Neil Chaudhry
Senior Advisor
On detail from PHMSA Office of Planning and Analytics
anil.chaudhry@dot.gov
Alumni & Emeritus

Eric Raamot
Senior Strategist
(Alumni)

Sarasina Tuchen
Senior Scientist
(Retired Emeritus)

Stephen Zoepf, Ph.D.
Acting Director
(Alumni)
Contact Us
Denise Bakar
Communications Manager
denise.bakar@dot.gov
General Inquiries
hass-coe@dot.gov

