Abigail Rosenson
Abigail Rosenson is a skilled project manager and an expert in data collection and analysis. She manages household and person-based travel surveys using RSG’s smartphone-based GPS travel survey app, rMove™. Since May 2020, Abby has also overseen the data collection and analysis work for RSG’s COVID-19 Transportation Insights Survey. She has performed market research work for academics, the private sector, and public agencies of varying sizes in the United States, Canada, and Australia. Abby excels at innovative survey design and creating repeatable processes that decrease respondent burden and improve data quality.
Prior to joining RSG, Abby worked with (and later volunteered for) KABOOM! where she co-led volunteers through high-profile community and corporate volunteer projects to help end playspace inequities for underserved communities. She maintains a Human Research IRB Certification from the Collaborative Institutional Training Initiative (CITI Program) and is a member of the Transportation Research Board’s Standing Committee on Transportation Planning Analysis and Application (AEP15).
Outside of work, Abby enjoys hiking, playing tennis, gardening, and exploring DC’s many museums and cultural venues.
Kyeongsu Kim, PhD
Kyeongsu Kim is a passionate and enthusiastic transportation data analysis expert. He has over 15 years of experience in travel demand modeling and data analytics. Kyeongsu has led numerous innovative data analytics and modeling projects and has a proven track record for exceeding client expectations. Importantly, his analytical and project management skills help bridge the project delivery gap between consultants and government agencies.
Prior to joining RSG, Kyeongsu served as a project manager for the Connetics Transportation Group (CTG) (now part of Nelson/Nygaard, Inc.). At CTG, he worked with local and regional clients/consultants and led travel demand modeling, application, and data analytics projects/tasks. Kyeongsu also led CTG’s exploration of raw location-based service data for its utility with two data providers. Prior to joining CTG, Kyeongsu worked at Louis Berger (now WSP), serving New York Metropolitan Transportation Council (NYMTC) in their research and data analysis. In this role, he supported every phase of survey data collection and systematic data check routines. He also led an innovative data collection and analytics initiative at NYMTC to study the feasibility of using big data for transportation planning applications. Kyeongsu often provided technical support to Louis Berger, analyzing data for traffic and ridership forecasting and toll revenue studies. He has been a member of the Transportation Research Board's Travel Survey Methods Committee (AEP25) since 2014.
Kyeongsu lives in Fairfax, Virginia, with his wife and child. He enjoys playing baseball and soccer with his son, watching baseball and college football, and traveling.
John (Jay) Evans, PE, AICP
Jay Evans is the Chief Operating Officer for RSG, addressing successful delivery of projects across all markets through supportive business operations and sustainable leverage and growth of our most important asset – our people. Jay has over 25 years of relevant experience, including in business operations, corporate finance, and consulting practice. He has performed consulting in both the public and private sectors, working in the transportation, telecommunication, energy, real estate, and consumer packaged goods industries. His project work has ranged from travel demand forecasting model development and application to strategic decision support for major investments. He has served in a variety of Project Management and Program Manager roles.
Prior to joining RSG, Jay was an operations executive and principal consultant with Cambridge Systematics. He was a lead author and co-Principal Investigator for Transit Cooperative Research Program (TCRP) Report 95, the Traveler Response Handbook, and contributing author and Principal-in-Charge for National Highway Cooperative Research Program (NCHRP) Report 716, Travel Demand Forecasting: Parameters and Techniques.
Jay enjoys city living with his partner of 25+ years in Washington, D.C. and engaging in interesting travel, bicycling adventures, and crossword puzzles.
Jay is a registered Professional Engineer in D.C., Florida, and Virginia.
Andrew Rohne
Andrew focuses on transportation data analytics. He is skilled at using R and Python to analyze and visualize data and is an expert at model implementation in Cube Voyager. He also has significant experience visualizing data on websites and working with GIS and GPS data.
Prior to joining RSG, Andrew was the transportation modeling manager at the Ohio-Kentucky-Indiana Regional Council of Governments where he directed all travel modeling data collection, analysis, application, and development. He was also a consultant at Tindale-Oliver & Associates where he focused on roadway performance analysis and long-range transportation planning.
Andrew is an active member of the Transportation Research Board and maintains the websites for the TRB Transportation Planning Applications Committee and Conference and the TRB Travel Survey Methods Committee. He also maintains the website for the Ohio Travel Demand Model User Group.
Andrew lives near Cincinnati, Ohio with his wife and three kids. He is an active runner, homebrewer, and amateur radio operator.
Ben Swanson
Ben leads traffic operations work at RSG. He is a skilled analyst and has been the principal investigator for hundreds of traffic operations and planning studies, specializing in microsimulation modeling and air quality analysis. Since joining RSG in 2007, he has managed projects for both the public and private sectors, including traffic impact studies for private development and detailed microsimulation models of highway interchanges for state agencies.
Outside of RSG, Ben serves as Secretary on the Board of the Vermont Institute of Transportation Engineers and as Board Chair for the Upper Valley Transportation Management Association. He enjoys riding his bikes (mountain and road), running on the local trail networks, and skiing with his wife and daughter. He is also perpetually and happily doing yardwork.
Jonathan Slason, PE
Jonathan is a director at RSG focused on the ways we fund, plan, and construct our transportation facilities. With over ten years of private consulting experience, including four years based in Auckland, New Zealand, Jonathan manages RSG’s east coast traffic operations, transportation planning, and engineering design practices. His experience is firmly rooted in the detailed design and operations of traffic signals, freeways, intersections, and pedestrian and bicycle facilities. The nexus of his interests and experience has served organizations and governments by producing actionable transportation plans and policies.
Jonathan has worked internationally on mixed use land use projects, assessed multi-modal capacity, and has developed several fair share contribution systems to fund local transportation improvements in addition to municipal and statewide impact fee systems in the Northeast and Florida. He has also led the transportation component of significant infrastructure projects and urban development, such as an New Lynn downtown redevelopment consisting of a new bus and rail station, numerous streets and signals, bridges, rail tunnel, and New Zealand’s first ‘shared street.’ His international experience includes developing urban transportation plans for municipalities throughout Belize; a circulation and traffic safety plan for a cruise ship terminal redevelopment in Port Villa, Vanuatu; and reviewing roadway upgrades in Samoa. He has also completed a number of planning and operational studies around land use intensification in Northwestern Vermont around Exit 12 in Williston, Exits 16 and 17 in Colchester, and Exit 20 in Saint Albans.
In his time outside of the office, Jonathan embraces many of the activities that Vermont offers—be it bicycling, hiking, telemarking, or snowboarding—and enjoying great locally produced food with his wife, their son, and friendly golden retriever, Teddy. A seventh-generation Vermonter, he works hard to support and maintain a quality place to live, work, and play, and always enjoys watching a solid All Blacks test.
Jonathan is a registered Professional Engineer in Vermont.
William Woodford
William Woodford leads RSG’s Transportation Analysis work group which focuses on collecting data, developing analysis tools, and applying these analytical methods to help transportation agencies plan their future.
Before joining RSG in 2011, Bill had over 30 years of consulting experience in the areas of travel demand forecasting, ridership forecasting, and transportation planning. His project experience includes planning of fixed guideway transit New Starts projects with a particular emphasis on transit ridership forecasting, alternatives analysis, and system analysis. He has consulted with many of the largest transit agencies in the United States including those in New York, Newark, Washington, Chicago, Denver, Los Angeles, and San Jose. He has worked with the Federal Transit Administration and Federal Highway Administration and state DOTs in New York, Virginia, and Maine.
Bill lives in the Washington, DC area and spends his free time hiking, cycling, and relaxing on the Delaware shore.
Mark Bradley
Mark Bradley is an internationally recognized leader in advanced methods for travel demand forecasting. As an original developer of DaySim, one of the leading modeling platforms for activity-based travel demand modeling, Mark leads the ongoing application and development of DaySim for RSG’s clients. Mark is also an expert in the design of various types of travel surveys, and is a frequent expert advisor on RSG’s travel survey projects.
He joined RSG in 2012, bringing nearly 30 years of experience developing travel demand forecasting methods and tools for clients in many countries. Mark was first introduced to travel demand modeling as a student at Dartmouth College by professor, Tom Adler, founder and current President of RSG. After working for Cambridge Systematics and the University of Oxford, Mark became a founder of Hague Consulting Group in 1986, working for clients such as Eurotunnel and various national railways and ministries of transportation around Europe. In 1995, Mark returned to the U.S. and was an independent consultant based in California for 17 years, collaborating with RSG on many projects during that period. Mark moved to Santa Barbara, CA in 2002, and enjoys hiking, kayaking, and painting.
Michelle Lee, GISP, PMP
Michelle Lee leads RSG’s transportation behavior research work and has extensive experience managing statewide and regional household travel survey programs. Her background in geographic information systems (GIS) and global positioning system (GPS) technologies was essential to the development of RSG’s industry-leading smartphone-based GPS travel survey app, rMove™. Michelle applies logical thought processes to develop creative, data-driven solutions for RSG's clients.
Michelle has more than 20 years of project management experience. In that time, she has managed dozens of transportation, technology, survey, planning, environmental, health, and physical activity projects. Michelle began her career at the Center for Geographic Information Systems (CGIS) at Georgia Tech before transitioning to work for private sector consulting firms.
A graduate of Michigan State University, Michelle serves on the Alumni Advisory board for the MSU Department of Geography. She returned home to Florida in 2017 and currently resides on Florida’s Space Coast with her family. Michelle enjoys watching rockets launch and manatees swim from her backyard.
Stephane Hess, PhD
Stephane Hess is a professor of choice modeling and the Director of the Choice Modelling Centre at the University of Leeds, where he is based in the Institute for Transport Studies. He is also a part-time professor of decision modeling, artificial intelligence (AI), and mobility research at Delft University of Technology. He is an honorary professor of choice modeling in the Institute for Transport and Logistics Studies at the University of Sydney and an honorary professor of modeling behavior in Africa at the University of Cape Town.
Stephane has published more than 150 journal papers, including several on the benefits of advanced structures in actual large-scale transport analyses. He has authored several book articles and made hundreds of presentations at international conferences. In addition to his academic research, he is also the founding editor-in-chief of the Journal of Choice Modelling and the founder and steering committee chair of the International Choice Modelling Conference. Together with David Palma, he is the author of Apollo, a highly flexible and powerful free tool for estimating and applying choice models.
Joel Freedman
Joel Freedman is a nationally recognized leader in the development and application of advanced travel demand forecasting models. With 20 years of consulting experience, he offers client services in all aspects of travel demand modeling: travel survey design, model estimation, software implementation, validation, and application.
Joel’s model development experience includes the development of activity-based travel demand models for some of the largest and most complex metropolitan regions in the United States and large-scale integrated models of land-use and transportation for state departments of transportation. He has also provided travel forecasting support on numerous successful transit New Starts projects and has been involved in a number of toll and revenue forecasts for public sector clients. Complimenting his modeling work, Joel is a skilled programmer with expertise in FORTRAN, C++, and Java.
In addition to project work, Joel enjoys teaching and has served as adjunct faculty to Portland State University School of Urban Affairs and Department of Civil Engineering, and is a certified instructor for the National Highway Institute.
Joel lives in Portland, Oregon with his wife and two sons. He enjoys outdoor activities including hiking, backpacking, and skiing, and practices woodworking on the rare occasions the Pacific Northwest rain keeps him indoors.
Stephen Lawe
Stephen Lawe leads RSG’s strategic planning and implementation and is responsible for overall management of the company, its financial stability, and growth. Stephen has worked at RSG since 1988 and has professional experience in almost all areas of the business. His expertise in the analysis and development of public policy has been nationally recognized, and he is credited with the development of innovative tools and methodologies used by Fortune 500 companies in the formulation of their marketing strategies. He continues to serve as a technical advisor on select projects and leads research to understand the future challenges facing RSG's clients.
In addition to his work with RSG, Stephen was an assistant professor at Vermont Law School and continues to advance national research in public policy management, resource modeling, and private sector strategy development.
He enjoys spending time in the wilderness and engaging in numerous sports including skiing, hockey, hiking, and biking. Stephen shares his love for sports with his children by coaching their hockey and soccer teams and generally instilling a love of the outdoors.