Ambar Johnson / Program Director

Ambar, a young black woman with her hair braided in long, thin cornrows, smiles at the camera while standing in front of green foliage and a brick wall.

Ambar is the Program Director for LivableStreets, overseeing Vision Zero, Better Buses, and managing all aspects of the Emerald Network including advocacy, project oversight, and technical assistance.

Ambar's work is guided by her belief that "transportation is freedom" to create abundant, safe and accessible infrastructure and options. Previously, she served as a transportation planner at VHB, leading technical analysis for a range of transit feasibility studies and comprehensive plans in the Southeast. Before that, she worked with the Atlanta Bicycle Coalition and her neighbors to expand Relay Bike Share by using transportation as a tool for community building.

Ambar is a graduate of the Georgia Institute of Technology where she received her Bachelor of Science in History, Technology, and Society with a concentration in Civil Engineering.

Contact: [email protected]

María de la Luz (Luli) Lobos Martinez / Emerald Network Mobility and Environmental Systems Analyst

Maria de la Luz, a young Latinx woman with long brown hair, looks at the camera with a smile as she crouches in front of a snowy mountain scene.

Luli is the Emerald Network Mobility and Environmental Systems Analyst at LivableStreets. Under the Emerald Network program's umbrella, she works on creating new links for the network, keeping existing greenways working appropriately, actively engaging community members, and addressing the environmental justice role of the network. She also oversees the progress along Columbia Road while leading our Gender and Mobility Initiative. When she finds some free time, she does data analysis for our Go Boston 2030 program.

Luli is originally from Chile and uses her bilingual capacity to enable equitable communication every time she can. She bikes and walks all around the Metro Boston area, and, in her recreation time, you can find her walking her cats on the streets of Camberville.

She has an Architecture degree from the Universidad de Chile and a Master in Landscape Architecture from Harvard Graduate School of Design. She is a designer who focuses on creating spaces that assure people's quality of life while helping the environment thrive—Luli advocates for social equity, ecological resilience, and gender justice in our streets design.

Contact: [email protected]

Past Fellows

Marina Recio Rodriguez / Emerald Network Mapping Fellow

Marina, a young white Latinx woman with wavy, shoulder-length brown hair, smiles at the camera while standing in front of trees covered in green leaves.

Marina was the Emerald Network Mapping Fellow at LivableStreets in the summer of 2020; her work involved researching and visualizing the greenway projects in the Boston area that make up the Emerald Network vision. Marina is currently pursuing a Master in Landscape Architecture at the Harvard Graduate School of Design. She is interested in the influence of everyday public spaces on public life and the wellbeing of communities, and the ways in which that design can promote better relationships between cities and the natural systems they belong to.

Marina holds a B.A. in political science from Fordham University. She previously worked at the Measure of America program of the Social Science Research Council. Originally from Caracas, Venezuela, and raised in New York, Marina loves exploring cities on foot and bike.

Executive Committee

Stacy Thompson | Executive Director
LivableStreets Alliance

Stacy is the Executive Director of LivableStreets, overseeing all programs including Vision Zero, Better Buses, and the Emerald Network, and ensuring overall programmatic and operational excellence for the organization. A relentless optimist, Stacy is undaunted by the many challenges facing Metro Boston today, including access to jobs and affordable housing, improving safety and public health outcomes, and building climate resiliency. She believes the City can address these challenges head on by improving one of our most important systems- transportation. Stacy believes that improving our streets isn’t simply a transportation issue, but one of justice, equity, and opportunity. Previously, Stacy served as the Director of Events & Sponsorship at Ceres, where she developed the strategic focus, content, and communications for Ceres' major events. She also worked for the Office for Peace and Justice at the Archdiocese of Chicago where she collaborated with community partners to organize educational forums and supported a broad array of social justice initiatives. She has a Master of Arts in Social Justice from Loyola University, Chicago and a Bachelor of Arts in Religious Education from Saint Vincent College.

Contact: [email protected]

Matt Kiefer | Co-Founder of Emerald Network Initiative
Land Use Attorney, Goulston and Storrs

Matthew Kiefer is a land use attorney at Goulston & Storrs, focusing on obtaining site control and development approvals from public agencies for complex urban projects. These include market-oriented and affordable housing, commercial and mixed-use developments, and facilities and master plans for educational, cultural and health-care institutions. He co-chairs the firm’s Climate Change Resilience Task Force. He is the Chair of the Boston Municipal Research Bureau, which supports best practices in municipal governance, and co-chairs the Council of Advisors of Historic Boston, a non-profit redeveloper of historic buildings. He serves on the Advisory Board and Management Committee of ULI Boston. He is a Fellow of the American College of Real Estate Lawyers and was a Loeb Fellow at the Harvard Graduate School of Design. He has taught in the urban planning programs at MIT and Harvard and has written on land use law and policy for numerous publications.

Contact: [email protected]

Steve Miller | Co-Founder of Emerald Network Initiative
Director of the Healthy Weight Initiative, Harvard T.H. Chan School of Public Health

Steve was the co-founder of Boston's Hub On Wheels Bike festival and was subsequently a Gubernatorial appointee on the state’s Bicycle and Pedestrian Advisory Board. He was Board Chair of TechBoston Academy, a public pilot high school whose achievements were honored by a visit from President Barak Obama in 2010, and led Mass Networks’ NetDay Campaigns that mobilized over 20,000 volunteers across the state to help network schools for technology-facilitated education reform – leading to an invitation to present at President Clinton's 1999 National Education Summit. Previously, working with state union leaders, he helped found the Massachusetts’ Coalition for Occupational Health & Safety, which just celebrated its 45th year. He has also worked in high tech, helping with the start-up of Lotus Development Corporation then, after a fellowship at the Kennedy School of Government, becoming Director of Strategic Planning for the Commonwealth’s Office of Management Information Systems. Steve has served on the national boards of Computer Professionals for Social Responsibility (CPSR), the Consortium for School Networks (CoSN), and as chair of Grassroots International (GRI). Miller has published four books on public policy, hosted a radio discussion show, and was the on-screen Science & Technology Commentator for a national cable network. He currently publishes a weekly blog titled, “The Public Way: Transportation, Health, and Livable Communities.”

Contact: [email protected]

Julia Africa
Greg Bialecki
Alice Brown
Michelle Ciccolo
Jeff Cook
Marc Draisen
Alex Krieger
Lee Moreau
Gretchen Rabinkin
Kishore Varanasi