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 Chair

Zach Bugg

Zachary Bugg
Kittelson & Associates

Administer monthly board meetings
Oversee day-to-day implementation of the international by-laws
Supervise international board positions
Serve as the official face of YPT-International


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.

Deputy Chair


Jack Cebe
Georgia Institute of Technology

Assist the Chair in administering the international board and with any miscellaneous needs
Set up monthly board meetings
Administer the subsequent year’s election process
Stand in for the Chair when necessary


Jack Cebe is a masters candidate in the urban planning and civil engineering dual degree program at Georgia Tech. He began the program in the fall of 2015 to pursue further education in transportation following four years working in the transportation field for Alta Planning + Design. His work at Alta in both the Chicago and Greenville, SC offices included 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 initially became involved with YPT through the Chicago chapter and began working with Emma Chapman as YPT International sponsorship co-chair in 2013. After two years serving as sponsorship co-chair, he was elected as deputy chair in 2015, and is excited to continue working with the organization as it continues to grow in membership and influence! Feel free to reach out to Jack at anytime to let him know your ideas on how to improve YPT, and if you’d like to get involved with the YPT International board.

Director of Administration – Secretary


David Gerstle
Booz Allen Hamilton

Record minutes for all monthly board meetings
Oversee international awards and other major activities
Keep accurate records of the organization


David Gerstle is currently part of the Strategic Innovations Group at Booz Allen Hamilton. On the transportation side of the house, he works on projects as focused as microsimulation facility analysis to projects as abstract as studying experimental design in transportation.

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.

Director of Finance – Treasurer

AZ Redone

Aaron Zimmerman
Montgomery County Planning Department

Collect individual dues payments and redistribute to chapters
Record and maintain accurate financial records
Pay organization bills in a timely fashion
Manage organization payment systems
Seek opportunities to best utilize existing financial resources and expand revenue streams
Develop annual budget and provide monthly updates to the international board


Aaron Zimmerman is a Transportation Planner in the Washington DC area for the Maryland-National Capital Park and Planning Commission, Montgomery County Planning Department, 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 by USDOT’s University Transportation Center (UTC) Program as the GMU School of Public Policy’s Outstanding Student of the Year award recipient. 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 seven 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 partners and 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, Mixed-Use Trip Generation, and Multi-Modal Planning.

Director of Membership


Ali Brewer
American Bus Association

Monitor YPT membership numbers
Grant administrative access to the Contact Relationship Management System (CivicCRM)
Setup new chapters in database
Remove duplicate membership from the membership database
Assist chapters in using CiviCRM


Allison Brewer joined the American Bus Association as its Member Services Coordinator in July 2010. Prior to joining ABA full-time, she served the organization in a variety of capacities both as a temporary employee focused on editing and preparing the annual Motorcoach Marketer and as a Marketplace volunteer. She holds a B.A. in Psychology from the University of Kentucky, Lexington.

Director of Programs


David Moyer
McMahon Associates

Plan/oversee events in conjunction with major conferences
Support chapter programming, especially when major conferences are held near chapters
Coordinate events with the Director of Finance and the Director of Membership


David Moyer is a transportation engineer for McMahon Associates in Boston Massachusetts. At McMahon he is involved in a variety of transportation projects including roadway and signal design, development of traffic management strategies, and public transit projects. He has been involved with YPT since 2013 where he has served in the programs role on the local YPT Boston Board and is currently the Vice Chair for Finance of the Boston Chapter.

David grew up in southern Maine and graduated from Northeastern University in 2011 with a degree in Civil Engineering. He studied abroad in the Netherlands where he learned to appreciate the countries bicycle infrastructure. He likes working with YPT to provide young transportation professionals with opportunities to connect and collaborate. David enjoys exploring cities and urban spaces, and plans to take up snowboarding as his newest mode of transportation.

Director of Communications


Cary Bearn
Fehr and Peers

Manage social media pages
Update website
Send official YPT-International emails
Compile annual report


Cary Bearn completed a dual Masters Degree program in Transportation Planning and Engineering at Georgia Institute of Technology. Her thesis evaluated bicycle connectivity around the Oakland City MARTA rail station in Atlanta, GA.  Now, Cary is living in Los Angeles and working as a Transportation Planner/Engineer at Fehr & Peers.

Cary is originally from Bethlehem, PA and has a BA in Biology from Williams College. Before finding her true calling in transportation, she worked at the University of Pennsylvania Sleep Center researching obstructive sleep apnea. Now, as a budding transportation professional, Cary finds herself at the intersection of planning and engineering with interests in transit systems and operations, bike-ped planning, and data visualization.

Director of Chapter Development


Antonio Xu Liu
Stony Brook University

Communicate with local chapter leadership and hold monthly chapter calls
Assist interested individuals in establishing new YPT chapters
Assist chapters with day-to-day chapter management
Monitor chapters with low or changing membership numbers
Serve as a liaison between chapter leadership and International Directors


Antonio Xu Liu is an undergraduate student at Stony Brook University working towards a bachelor’s degree in engineering science, concentrating on civil engineering and minoring in business management. He is currently an engineering intern in the Maintenance of Way – Track and Structure department of Metro North Railroad (MNR) working out of White Plains, NY, where he focuses on design, repair and maintaining of MNR structures. He is also a research helper at the Center for Thermal Spray Research in Stony Brook, NY where his focus is on the use of plasma thermal spray and the effect of ceramic coatings on steel structures.

Antonio is originally from Maracaibo, Venezuela but grew up in Queens, NY where he had the pleasure of riding NYC Transit and seeing its growth and development throughout the years.

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, Interim President, Eno Center for Transportation
  • 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)
  • Mary Peters, Former Secretary of the United States Department of Transportation
  • Joshua Schank, Chief Innovation Officer, LA Metro
  • Neil Pedersen, Executive Director, Transportation Research Board (TRB)

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