Walk21 is the international charity dedicated to ensuring the right to walk and opportunity to enjoy it is supported and encouraged for everyone across the world.

Walk21 Priorities

Meet the Board of Trustees

Heather Allen, Walk21

Heather Allen

Heather Allen is a founding Trustee, elected in 2017 for a three year term. 

Heather is an independent consultant with 25 years of international experience and is a highly-regarded expert in low carbon transport, sustainable development, gender and climate change. She has worked for both public and private sectors, including as an advisor for the FIA Foundation, the European Commission and the Asian Development Bank and as a Senior Consultant with SLoCaT (Sustainable Low Carbon Transport partnership), including being part of Paris Process on Mobility and Climate for COP 21 and 22.


She has set up strategic partnerships with major international agencies such as United Nations and she was the Programme Director for Sustainable Transport with the UK’s Transport Research Laboratory’s (TRL) Sustainable Transport Group, a leader in providing impartial world-class research and consultancy for all aspects of transport. Whilst with TRL, she provided technical advisory services for a variety of international and European projects and developed the Low Carbon Transport and Climate training module for GIZ. Her European work includes serving as a member of the expert team for the interim impact evaluation of Horizon 2020 Societal Challenge 4 and the Joint Undertaking Shift2Rail, a flagship public private partnership of the Horizon 2020 research programme for the European Commission. 

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James Littlewood, Walk21

James Littlewood

James Littlewood is a founding Trustee, elected in 2017 for a two year term. 


James is based in Cambridge, United Kingdom and is currently Chief Executive for the charity Cambridge Past, Present & Future. 


He helped to organise the first Walk21 conference in London in 2000 whilst working at the London Walking Forum. During this time he also published a good practice guide that aimed to encourage local authorities and others to developing walking initiatives. He has 20 years’ experience working for local government and NGOs in the UK, helping them to develop and deliver a range of environment, regeneration and recreation projects.

As well as walking, James is often seen on a bicycle and during 2008-10 he pedalled 18,000 miles around the world. He has also worked in South America and travelled extensively, giving him an understanding of development issues in many different countries and cultures.

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Kristie Daniel

Kristie Daniel is a founding Trustee, elected in 2017 for a three year term. 


Kristie is based in Ottawa, Canada and travels extensively as part of her role as Director of the Livable Cities program with HealthBridge.  Kristie has a Master of Public Health degree from the University of Waterloo  (2010) and a Bachelor of Arts, in psychology, from the University of Guelph (1997). 


Kristie joined HealthBridge full-time in January 2011 as Director of the Livable Cities program and has been working in parts of Asia including Bangladesh, India, Nepal, Sri Lanka, and Vietnam as well as in Africa Tanzania, Uganda, Ghana, and Nigeria. 


Her skills and experience in advocacy as well as her passion for ensuring access for the most vulnerable to healthy transportation, healthy foods, parks and public spaces are helpful for her role on the Board.

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Salvador Herrera, Walk21

Salvador Herrera

Salvador Herrera Montes is a founding Trustee, elected in 2017 for a two year term.

Salvador is an urban planner and landscape architect. He has worked in transportation and mobility projects in various cities in Mexico and in the various countries in Latin America as well as India and Turkey. 


He has a degree in Planning, a Master´s in Landscape Architecture and is a specialist in Urban Management.  He is professor of urban planning at the Faculty of Architecture at UNAM (National University).

In 2005 he crafted the first land use plan combined with a mobility strategy in Mexico and also Mexico´s first Mobility Plan for the City of Chihuahua in 2007. He is a passionate promoter of of knowledge around public space. Particularly he is interested in the relationship of public space and mobility to increase safety and community life.  In 2014 he founded Urbanística, a firm focused on the integration of housing, mixed-use public space and mobility at different scales: local, urban, regional, national and multi-sectorial focus: social, private, public.

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Celia Wade Brown, Walk21

Celia Wade-Brown

Celia Wade-Brown is a founding Trustee, elected in 2017 for a four year term. 

Celia was Mayor of Wellington, the capital city of New Zealand from 2010 until standing down in 2016. She was previously a Councillor for Wellington’s Southern Ward from 1994 to 1998 and 2001 to 2010. 

As Mayor, she led a vision for a smart green capital, winning the International Award for Liveable Communities, the Most Liveable City Award and entered Wellington into both Rockefeller Foundation’s 100 Resilient Cities and the Biophilic Cities Network. 

She founded WalkWellington in 1998 to advocate locally for better conditions for people on foot. In 2002 she brought together walking advocates from around the country and founded Living Streets Aotearoa, a national walking advocacy organisation, and was inaugural President until 2009. She worked with the New Zealand Transport Agency to ensure the first New Zealand Walking and Cycling Strategy was agreed in 2007 and promoted the International Walking Charter.

Celia's achievements for walking include: connecting walking access along Wellington’s wild South Coast; initiating the Great Harbour Way; introducing walking school buses; upgrading quirky laneways; installing signage for pedestrian shortcuts;  initiating the world-first trans-gender traffic lights; reducing speed limits in suburban centres; resisting a flyover; and supporting bus lanes.

Celia's political experience is helping the Foundation translate policies in to practice to best benefit communities.

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Meet the Advisory Council

Peter Newman
Claudia Adriazola
Jody Rosenblatt Naderi
Daniel Sauter
Billie Giles Corti
Adam Davies
Supriya Sen
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Meet the Team

Jim Walker

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Jim is the founder and supports the organisation's Network and Activities.

Bronwen Thornton

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Bronwen is the Chief Executive Officer specialising in Policy, Projects and Partnerships. 

Lina Marcela Quinones

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Lina is the Project Officer with Walk21.  She is an environmental engineer, an economist and urbanist  

Meet our Associates

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Rodney Tolley

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Rodney leads the research and provides quality control for conference content.  

Carly Koinange

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Carly is a policy specialist with expertise in road safety, air quality and climate change supporting Walk21 with initiatives in Africa

Florian Lorenz

Martin Wedderburn

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Florian is a communications expert and urbanist supporting Walk21 with communications and campaigns

Martin is a transport planner helping Walk21 with expertise on measuring, modelling and evaluating walking

Mario Sandoval Olivé 

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Mario is a computer scientist supporting Walk21's development of the knowledge library

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Stefan is a Spatial Data Specialist and Geographic Information Systems Architect supporting Walk21 with the development of walkability tools

Martha is the Director General of FundaPeatón, the pedestrian advocacy organisation in 

Medellín, Colombia supporting Walk21 with the development of practical advocacy tools




Seoul 2020



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Walk21, 24 Moorend,Road, Cheltenham, Gloucestershire, GL530HD, United Kingdom

© Access Associates Limited (AAL) owns the Walk21 name and has it protected under copyright law 

Walk21 Foundation is a registered charity in England and Wales (Charity Number 1174564)


Walk21 is the international charity dedicated to ensuring the right to walk and opportunity to enjoy it is supported and encouraged for everyone throughout the world.