2022 Board of Directors

Emily Provonsha


Emily Provonsha has 8+ years of planning experience working in the public sector and with non-profits. She joined Metro-North Railroad in 2018 in the Station Area Planning and TOD group, which is now based out of MTA’s Construction & Development Agency. There she manages transit-oriented development projects, assists with station access planning, and contributes to strategic planning for capital improvement projects.

Prior to joining the MTA, Emily worked at Tri-State Transportation Campaign on an advocacy campaign for NYC Congestion Pricing. Before that, as the transportation planner for the City of Stamford, CT, she worked on the Bus & Shuttle Study and the Bicycle & Pedestrian Plan. She also drafted a grant proposal for Summer Street Pedestrian Safety Improvements, which was awarded $1.4 million from CTDOT.  During her time in CT, Emily served as a gubernatorial appointee on the CT Bicycle and Pedestrian Advisory Board. Emily holds a Bachelor’s degree in Environmental Studies from Green Mountain College, and a Master’s in Urban Planning from the University of Michigan.

Kristy Tu

Deputy Chair

Kristy Tu is a Transportation Engineer with the Integrated Planning team at Arup. At Arup, Kristy works on a variety of interdisciplinary projects with a team of planners, urban designers, and engineers. She has a background in transportation planning and traffic engineering with a particular interest in repurposing infrastructure, transport models and mobility data.

Kristy’s teenage fascination with her local bus system led her to a career in transportation. She is also fond of leading pedestrian intervals, streetcars, and the humble street tree.

Kristy is originally from Canada, where she graduated from Queen’s University with a Bachelor’s in Civil Engineering. She is a past board member of the YPT Toronto Chapter, TransportationCamp organizer, and also keenly involved in the broader transportation and engineering community with ITE, WTS and SWE. When she’s not thinking about transportation, she is probably thinking about her next meal.

Elizabeth (Liz) Jule Gladoun

Content Manager

Elizabeth Jule Gladoun, PE is a project engineer at VHB, where she specializes in providing transportation consulting services for New York City real estate and public infrastructure projects. Her work involves conducting traffic impact analyses towards the environmental review process, as well as providing transportation solutions through traffic and transit simulation modeling.

Liz attended New York University’s Tandon School of Engineering, where she graduated with a B.S. in Civil Engineering and an M.S. in Transportation Planning and Engineering. Aside from YPT, she is also a member of the Institute of Transportation Engineers Met Section and WTS. When she’s not in the office or the field, Liz is singing with her choral group, hiking, or baking.

Scott Middleton


Scott Middleton is a planner at Gateway National Recreation Area and the Jamaica Bay-Rockaway Parks Conservancy, where he plans for new uses and activities at Floyd Bennett Field, Jacob Riis Park, the Jamaica Bay Wildlife Refuge, and other park sites in Brooklyn and Queens. Scott holds a Master of City Planning from MIT, where he wrote his thesis on discrimination in shared rides.

Previously, Scott was a Senior Associate at EBP US, where he evaluated the economic impacts of transportation programs with a special emphasis on resilience planning and emerging transportation technologies. He has also worked as a Community Planner at the U.S. DOT’s Volpe Center, where he managed the FHWA/FTA Transportation Planning Capacity Building Program.

Scott is a passionate cyclist who biked across the United States twice (same direction each time) with the non-profit organization Bike & Build.

Stacey Matlen

Professional Development Manager

Stacey is the Director of Innovation Programs at the Partnership for New York City. Prior to joining the Partnership, Stacey worked with the City of Detroit’s Office of Mobility Innovation where she worked to understand Detroit residents’ core mobility challenges and developed and launched new mobility solutions to help solve those needs. She also founded a startup, Cart, which enabled low income individuals to gain access to well-stocked grocery stores through a subsidized rideshare program to healthy food. Stacey has a MPH and a BA with high distinction from the University of Michigan.

Samuel Chan

Membership Manager

Samuel Chan supports corporate communications for pilots and technical operations at JetBlue. Prior to moving to New York and joining the airline industry, Samuel worked for a global bank in Hong Kong and Sydney, where he discovered his passion for transit-oriented development and sustainable cities.

Samuel is a graduate of the University of Hong Kong, where he received a bachelor’s degree in Journalism, with a second major in Marketing. As an avid traveler, he has backpacked across 30+ countries, from Kazakhstan to Nepal. When not up in the air or at an airport, Samuel enjoys hiking and exploring neighborhoods by Citi Bike.


Darwin Keung

Events & Programs Manager

Darwin Keung is the Climate and Health Advocacy and Policy Manager at the Tri-State Transportation Campaign, a non-profit advocacy organization dedicated to promoting environmentally sound and equitable transportation. Darwin works to transform the transportation sector and address the issues of climate change and environmental justice. He brings his passion for climate, health, and equity to the transportation community from his previous work with the New York State Office of the Attorney General, Natural Resources Defense Council, and as a researcher at Columbia University where he received his Master’s in Public Health and a certificate in Environmental Health Policy.

Beyond his work, Darwin is the co-founder of his local Climate Reality Chapter and a member of Rockland County’s Environmental Management Council. When not thinking about transit or the environment Darwin can be found adding to his never-ending list of restaurants and breweries to try, playing Magic, taking a jaunt around a nearby lake, or pushing himself to try out new things — the latest being paddleboarding and preparing to survive his first half marathon.

Sam Sklar

Communications Manager

Sam is a freelance transportation planner and writer (sklar.substack.com) with over 10 years experience in real estate finance and planning agencies and non-profits across the United States. He has a Masters Degree in Sustainable Transportation Planning and Infrastructure from Penn’s School of Design.

Prior to joining YPT-NYC’s board, Sam was an active board member on YPT-DC’s board, and a member of YPT-Philly’s organization.

When not writing about process, Sam can be found blogging about every Best Picture winner, trying to find the best ramen in NYC, and planning a hike somewhere.

Modou Cham

Liason to YPT-I & the Mid-Atlantic Regional Board

Modou Cham is a Senior Associate at ICF within the Climate, Energy, and Transportation division working on Transportation Demand Management (TDM) projects and studies across the U.S. He works on projects that assist local governments, municipalities, and major employers across the county implement green transportation programs.

Modou earned a M.Sc. in Sustainability Management from Columbia University and a B.A. in Political Science & International Relations from West Chester University of Pennsylvania. Prior to ICF, Modou worked as the Chief Administrative Officer for an international, not-for-profit organization at the United Nations promoting environmental health and literacy.


Julia Fiore

Social Media Manager

Julia Fiore, AICP is a Senior Planner at AKRF where she uses her expertise in land use planning, economic analysis, and environmental review to facilitate and improve transportation and land development projects. Julia’s favorite projects to work on are those that promote sustainable and equitable development such as transit-oriented development and affordable housing.

Prior to joining AKRF, Julia interned at the New York City Department of Transportation and worked as a planner and research assistant on various comprehensive and economic development plans in the Hudson Valley. Before pursuing a career in planning, Julia was an environmental educator and an organizer for environmental policy.

Julia received her Master of Urban Planning (MUP) from the City University of New York Hunter College and a B.S. in environmental studies from Cornell University.

Michael Ahillen

Partnership Manager

Michael Ahillen, AICP is a Project Manager at FHI Studio. He has experience in bus and shuttle operations, bicycle and pedestrian planning, Complete Streets design, and transportation demand management (TDM). He also leads a variety of community engagement efforts, his favorite of which are road safety audits.

Michael earned his Master of Urban and Regional Planning from Portland State University and his B.A. in English and Spanish from Vanderbilt University. Before consulting, he worked as a bike share data analyst, U.S. Forest Service ranger, and rock climbing instructor. Outside of work, he plays guitar, bikes, and takes photos of NYC street life.