Directors and Advisors

Board of Directors

The National Board of Directors is based in Washington, DC and elected each November to provide guidance and leadership for the nationwide organization as a whole.


YPT ChairKortum headshot4

Katherine Kortum
Transportation Research Board

Katherine Kortum is a Program Officer at the Transportation Research Board where she creates and guides committees analyzing transportation policy topics, including regulation of new mobility options (including Uber and Lyft), transit asset management, development of federal research plans, and intercity passenger travel. She was elected chair of Young Professionals in Transportation by the international membership three times and co-founded YPT Austin, the second YPT chapter.

Katherine was also appointed chair of the Institute of Transportation Engineer’s Younger Member Committee in 2013 and is a member of ITE’s International Board of Direction.  She coordinates with the Institute’s board and local leadership to encourage younger member participation in ITE and is working to reposition the organization to better serve the needs of young professionals. In addition, she has spoken in a number of settings on the development of the next generation of the transportation workforce and on innovations facing the industry.

Katherine has an MS and PhD in Transportation Engineering from The University of Texas at Austin and a BS in Civil Engineering from the University of Pittsburgh.  She is a Professional Engineer in the District of Columbia.


Zach BuggDeputy Chair

Zachary Bugg
Kittelson & Associates

Dr. Zachary Bugg has been a transportation analyst at Kittelson & Associates, Inc. in Baltimore since 2012. A native of Memphis, he holds Bachelors of Science degrees in Civil Engineering and Mathematics from Mississippi State University, as well as a PhD in Civil Engineering from North Carolina State University.

Zachary has been involved with YPT since 2012, participating in both the Washington, DC and Portland chapters and helping to found the Baltimore chapter in 2014. In addition to serving on the YPT International Board, he is an active member of the Institute of Transportation Engineers and is engaged in the Transportation Research Board.

Zachary’s experience includes project work in the areas of transit planning, microsimulation analysis, roundabout design and operations, highway safety, and complete streets planning. His main research interests are in transit preferential treatments and microsimulation, and he also has several publications in the areas of highway capacity and the operational effects of geometric design. Zachary is actively engaged in professional development and enjoys speaking at conferences and guest lectures, as well as mentoring interns and new staff.


Vice Chair for Administration – SecretaryDGerstle_headshot

David Gerstle
Caliper Corporation

David Gerstle is a Senior Transportation Engineer for Caliper Corporation. There he primarily spends time on Caliper’s TransModeler product and fills roles from project management to customer relationship management. He has the pleasure of both developing the product and representing TransModeler in a wide range of traffic operations fora.

Additionally, David is an active advocate for transportation development that represents all modes with a wide variety of fantastic organizations. He is very happy to live in Boston with his wife and two dogs.


AZ RedoneVice Chair for Finance – Treasurer

Aaron Zimmerman
Montgomery County Planning Department

 Aaron Zimmerman is a Transportation Planner in the Washington DC area for the Maryland-National Capital Park and Planning Commission in Silver Spring, MD. He holds a Master’s degree in Transportation Policy, Operations and Logistics from George Mason University (GMU) and a Bachelor’s degree in Urban Planning from the State University of New York at Albany.

During graduate school, he was recognized as GMU’s recipient of the Outstanding Student of the Year award by USDOT’s University Transportation Center (UTC) Program.  In 2008, he earned his Professional Transportation Planner (PTP) certification. Aaron joined the YPT Board of Directors in its first year (2008-2009 term) as Deputy Vice Chair for Administration and has since been elected to several positions on the International Board of Directors (formerly joint with the DC Chapter Board) including Administrator and Treasurer. In his more than six years of involvement as an organizer, he has been instrumental in shaping the direction of YPT in areas such as chapter development, building relationships with sponsors, event planning, election organizing, and developing an integrated membership-payment system.

Aaron’s professional interests include Bikesharing, Carsharing, Bus Rapid Transit, Dynamic Toll Pricing Systems, Mixed-Use Trip Generation, and Multi-Modal Planning.


Vice Chair for MembershipJames Robertson

James Robertson
City of College Station

James Robertson is an Assistant Traffic Engineer for the City of College Station and PhD Candidate at Texas A&M University.  He specifically enjoys solving problems related to the equity, operation, and design of facilities that include pedestrians and bicycles.  James is a 2010 Eno Fellow and 2012 Eisenhower Fellow.

James has completed 3 marathons and 1 half-ironman triathlon.  He would like to complete a full-ironman triathlon in the near future.




EliciaVice Chair for Programs

Elicia Elliott
British Columbia Transit

Elicia Elliott is a Canadian Transportation Planner in her eighth year of practice. She was raised in Saskatchewan and has lived and worked in private and public sector planning and engineering organizations in Alberta and British Columbia. Today, she lives in Victoria, BC.

Elicia’s professional experience includes strategic planning, concept planning, concept and preliminary design, and service or operational planning in many areas of transportation; public transit, cycling, walking, private vehicle transport, and parking. She also has experience planning, delivering, and evaluating stakeholder and public engagement processes germane to transportation planning projects. She thrives in interdisciplinary project environments.

Elicia is proud to serve as the sole Canadian member on the International Board for YPT in the Vice Chair for Programs role. For 2014/15, her focus will be on meaningfully connecting young professionals in transportation, as well as on strategically evaluating YPT’s efforts.


Vice Chair for Communications10-9-14 Sullivan_Whitney Transportation manager-TDOT

Whitney Sullivan
Tennessee Department of Transportation

Whitney Sullivan is the Assistant Director of the Program Development and Administration Division and Manager of the Local Programs Development Office for the Tennessee Department of Transportation (TDOT) in Nashville. Her office serves as the primary liaison between TDOT and city and county governments for state and federal transportation grants and projects.

Whitney has a background in rural planning, grant writing and administrations, and project management.

Whitney graduated summa cum laude from the University of Tennessee at Martin with a B.A. in Communications/Public Relations. She has served on the University of Tennessee at Martin Alumni and Young Alumni Councils. She is also a member of the Nashville Chapter of the American Society of Highway Engineers.



Richard SunVice Co-Chair for Chapter Development

Richard Sun
McKinsey & Company

Richard Sun is a consultant with McKinsey & Company’s Mid-Atlantic Office Complex which includes locations in Washington D.C. and Summit, NJ. He primarily serves clients on infrastructure (affordable housing, urban transit, and economic development) and pharmaceutical (commercial sales model and go-to-market strategy) related topics. Richard also serves a New Jersey based youth mentorship non-profit on a pro-bono basis.

Prior to joining McKinsey, Richard held positions at Credit Suisse, on the bank’s U.S. Electric Utilities Research Desk and at the White House, in the Office of Management & Administration. Richard has also served in several appointed positions within the municipal government of his hometown, Summit, NJ.  In 2008, Richard helped co-found the Summit Free Market, a 501(c)(3), focused on supporting a sustainable community.

Richard holds a B.A. in Economics cum laude from Columbia University. Richard received Departmental Honors for his senior thesis on urban transit planning governance and economic development. In addition, he served as Co-Chair of the Student Affairs Committee of the University Senate, the highest elected student position at Columbia.


Vice Co-Chair for Chapter DevelopmentKristen Maddox (2)

Kristen Maddox
Alta Planning + Design

Kristen Maddox is a Planner with Alta Planning + Design in Chicago, IL. Her daily work strives to advance the firm’s mission of “creating active communities”. This work includes crafting: active transportation master plans; residential transportation demand management strategies and implementation;bicycle ridership and walker data collection and analysis; and bike share feasibility studies.

Prior to joining Alta, Kristen was a Fulbright Student to Denmark (2012-2013). There, she studied urban planning with a focus on bicycle infrastructure. As a Danish Red Cross volunteer, she helped teach adults, primarily immigrant women, how to ride bicycles. She also worked with a teen literacy/homework help program.

Kristen graduated summa cum laude from DePaul University with a BA in International Studies. In her spare time, Kristen is an organizer with Women Bike Chicago, a local advocacy group. She has completed multiple century rides (100 miles) and plans to dive into cyclocross, once she gathers the courage.


Vice Co-Chair for SponsorshipEmma W Chapman Photo

Emma Chapman
Fitch Ratings

Emma Chapman co-founded YPT’s New York City Chapter and now sits on YPT’s Chicago Board as Program’s Chair as well as the National Board as Sponsorship Chair. She has held board leadership roles for the Women’s Transportation Seminar (WTS) both in New York and Washington D.C. In Chicago, she is currently on the board for Women in Public Finance and is a founding member of the Boundless Readers Auxiliary Board.

As an Associate Director in Fitch Ratings’ Global Infrastructure and Project Finance Group and passionate about understanding how infrastructure works, she analyzes transportation credits and authors publications across all sectors of Fitch’s transportation portfolio. Prior to joining Fitch, Emma ran transportation engineering, environmental policy, and city planning projects for Parsons Brinckerhoff (PB), the Washington Metropolitan Area Transit Authority (Metro), the Eno Transportation Foundation, and the City of New Haven, Connecticut. She led municipal coordination across complex teams on multi-regional toll road, airport, highway, traffic, public transit, security, zoning, and housing projects including public private partnerships in New York, Illinois, California, Virginia, Connecticut, and Washington, DC.

Emma earned a BA in Political Science and a BA in Art History concentrating in Urban Studies and Architectural History at Yale University, and her recommendation for a pedestrian friendly corridor as part of her thesis on New Haven’s Union Station is currently under construction.


JC RedoneVice Co-Chair for Sponsorship

Jack Cebe
Alta Planning + Design

Jack Cebe is a Senior Planner and Landscape Architect with Alta Planning + Design in Greenville, SC. At Alta, he has worked on a variety of project types including complete streets design, large-scale state and regional bicycle and pedestrian master plans, city-wide and community bicycle and pedestrian plans, and bikeway feasibility studies.

Jack graduated from Clemson University, after which he moved to Chicago to work for Alta in the Windy City. Jack initially became involved with YPT through the Chicago chapter and began working with Emma Chapman as Sponsorship Co-chair in 2013. Last summer (2014), Jack moved to Greenville, SC to continue working for Alta from his hometown.

Jack walks and bicycles for both transportation and recreation, and believes active transportation is a tool for community development and improving people’s lives.


In addition, each individual chapter elects a local Board of Directors to provide local leadership.


Board of Advisors

YPT’s Board of Advisors are preeminent public and private sector leaders in transportation with a wide range of exemplary experience in the field. We are grateful for their participation and willingness to assist the development of a new generation of transportation professionals.

  • Bud Wright, Executive Director, AASHTO
  • Mortimer Downey, Transportation Consultant
  • Emil Frankel, Bipartisan Policy Center
  • Jane Garvey, North American Chairman, Meridiam Infrastructure
  • Jonathan Gifford, Professor and Associate Dean for GMU’s Transportation Policy, Operations & Logistics Masters Program
  • Art Guzzetti, Vice President for Policy, American Public Transportation Association (APTA)
  • Janet F. Kavinoky, Executive Director, Transportation & Infrastructure, U.S. Chamber of Commerce
  • Mary Peters, Former Secretary of the United States Department of Transportation
  • Joshua Schank, President and CEO, Eno Center for Transportation
  • Neil Pedersen, Executive Director, Transportation Research Board (TRB)

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