Meet Our Team

Navdeep Deol and Rangers at Cody Dock

Meet our team

Introducing the amazing group of Staff and volunteer Trustees who are passionate about supporting London as the world’s first National Park City.

Our staff team

Mark Cridge

Mark was appointed Executive Director of the National Park City Foundation and London National Park City  in June 2022.

Previously Chief Executive of the civic technology charity mySociety for 7 years, Mark has enjoyed a diverse 25-year career in digital technology including stints as COO at design consultancy BERG, as a senior advisor at political campaigners Blue State Digital in London, and served on the national executive of the Green Party of England & Wales for five years.

Originally studying Architecture at Strathclyde University, he got his commercial start in 1996 working for a small web design agency in Birmingham before setting up glue London, the UK’s first digital advertising agency in 1999, going on to become global managing director of Isobar, following glue’s acquisition in 2005.

Lou Rutherford

Our Partnerships Manager for National Park City. Lou is a born-and-bred Londoner who has been lucky enough to get hands-on in many way in this city. From building cob ovens in community gardens, installing living walls on buildings to playing football with friends – he loves getting out and about and building community together. He’s particularly passionate about nature around waterways as he cruises around London in his canal boat home.

Lou joined from the former highly regarded Participatory City project, Everyone Everyday, in Barking & Dagenham.

Ed Santry

A Ranger Coordinator for London National Park City. He has a background in biodiversity conservation, science communication and community volunteering having worked for organisations including the Marine Conservation Society, Bat Conservation Trust and Natural History Museum.

Ed has a particular interest in community-led conservation and mainstreaming biodiversity conservation within policy. With significant personal experience in volunteering, Ed is committed to supporting volunteers as well as demonstrating the invaluable role they play in making our world a better place for nature.

Miriam Habte Sellasie

One of two Communications Managers for London National Park City, Miriam’s focus will be amplifying the organisation’s important work making London greener, healthier and wilder through impactful storytelling. From rangers to trustees to staff members and supporters in the wider environmental and climate-action community, Miriam hopes to bring the National Park City vision to life through a wide range of communications channels.

With a background in journalism, content curation and digital communications – including for purpose-led organisations such as the Chartered Institute of Water and Environmental Management (CIWEM) – she brings a wealth of experience to the role.

Living the majority of life in SW London and its borders, she has a real passion for engaging with local green spaces whether that’s enjoying a coffee and a stroll at nearby Morden Hall Park or taking a refreshing dip in the swimming lake at Beckenham Place Park.

Miriam is committed to playing an active role in addressing the climate crisis on both a professional and personal basis and is excited to bring her love of veganism, sustainability, circular practices and more to her work with London National Park City.

Sadim Garvey

Sadim, one of two Communication Managers, will focus on enhancing the website, ensuring it becomes a trusted digital destination that is functional, well-designed, and thoroughly resourceful to all its visitors.

Sadim’s professional journey has spanned various regions, including London, the West Midlands, and Yorkshire, where they have taught Design and Technology and Art and Design. Currently based in Birmingham, she has spent the last four years serving as the Marketing and Communications Lead at Moseley Road Baths, a heritage Grade II* swimming pool in Balsall Heath. During this time, Sadim and their team implemented a creative communication plan that significantly boosted the visibility and support for numerous hyperlocal and regional organisations and projects during the 2023 ‘Diving In’ programming.

In addition to the role at London National City Park, Sadim also works with the National Trust as the Communication Lead for the Blossom Branch Birmingham initiative. This project aims to create a space where all communities can come together and learn about nature.

Deeply interested in how people unite to tackle common goals, Sadim is particularly passionate about community cohesion projects. They view these grassroots movements as the foundation for larger, flourishing initiatives.

Our trustees

Navdeep Deol, Chair

Navdeep joined as Chair and Trustee in December 2022.

Navdeep has been active with local community groups in West London for over four years, initially through litter picking but now championing street and tree champions, encouraging collaboration across London and drawing links between direct community action and local government policy on important issues such as the loss of biodiversity, water and waste management, enhancing the urban landscape and linking communities to nature.

Navdeep has always lived in London and is incredibly proud of the city, its diversity and landscape. It’s a place to discover and he is keen to encourage people to create and use the many green and blue corridors to explore the full potential of the city and our neighbours.

Emily Brennan

Emily is Forest Research’s Head of Science Centre where she oversees the provision of science, data and evidence to inform government decisions.

Emily has varied experience in natural and cultural heritage with roles at The National Trust, the South Downs National Park Authority, as Director of Conservation, Education and Outreach at London Wildlife Trust and conservation and project roles with ZSL, Butterfly Conservation, the Natural History Museum and WWF-UK.

Emily has completed a Clore Leadership Fellowship, the internationally- recognised programme for developing leaders in the heritage and cultural sectors and helped assure the sustainability of the Olympics and Paralympics as a Commissioner for the Commission for a Sustainable London 2012.

Alison Barnes

Alison Barnes

Alison has spent 25 years in roles linking the natural environment with people, currently as CEO New Forest National Park Authority and Chair of the Green Halo Partnership; and she leads on Health and Wellbeing and Nature Recovery on behalf of all the National Parks.

Previously she was Director for Natural England Team in London, championing London’s green spaces, their enhancement and benefits for the social and economic fabric of the Capital; London Sustainable Development Commissioner between 2008 and 2014 where she initiated ‘Sowing the Seeds’ – reconnecting London’s young people to their green and blue city spaces.

Alison began her career with the RSPB and led on local biodiversity policy within Defra for 4 years, shaping policy, legislation and delivery partnerships. She is a Fellow both of the RSA and Landscape Institute.

David Cope

David is a freelance consultant helping purposeful organisations grow their impact and improve how they function, and has deployed this experience in public, academic and charity sectors. He is also employed as Head of Sustainability at the Duchy of Cornwall.

David’s early career was in academia, researching the conservation of a range of animal species, before working in the UK government, first as an analyst, then as a policy maker and supporting performance improvement as a senior civil servant.

David was Director of Strategy and External Affairs at Royal Botanic Gardens, Kew and more recently as Director of Strategic Change and Planning at Oxford Brookes University. He is also a Trustee of the John Spedan Lewis Foundation and is a voluntary advisor on sustainability to the England Touch Association.

Tim Webb

Tim is a founder Trustee of the National Park City, is on the board of the charity London Parks and Gardens, and secretary of the UK Urban Ecology Forum.

An award-winning news editor and former broadcast journalist. Tim established and managed the UK’s first all-digital radio newsroom for Talk Radio UK and was coordinator for both the London Environmental Educators’ Forum and of London Sustainability Weeks, transforming it into Love London Week.

With expertise in sustainability, food and farming, Tim moved from journalism to conservation; working with London Wildlife Trust and the RSPB. He is Manager of the BSI’s Sustainability Standards Network, ensuring all British Standards deliver the UN’s Sustainable Development Goals and move the world closer to Net Zero by 2050.

Eilish Kavanagh

Eilish is Director of Finance & Operations at B Lab UK, and is a qualified accountant with an extensive background in the commercial and charitable sectors, including Friends of the Earth. Eilish specialises in financial management, organisational development and board governance, and has led several transformation programmes. She draws on executive and board experience in strategy, planning, compliance and financial management as a Trustee, Treasurer and as Company Secretary. With a life-long passion for nature and the environment, she has a MSc in Marine Biology and a Masters in Environment, Society & Policy.

Eilish is also a trustee, Treasurer and Chair of the Operations Committee at Outward Housing and is a Non-Executive Director of the Schools Energy Cooperative. In the past she has been a board member with the Women’s Environmental Network, the Chartered Institution of Water & Environmental Management, No More Landmines Trust and Greater London Action on Disability.

Melissa Miners

Melissa has been working in sustainability strategy for over 12 years. She is currently at Unilever, with a remit of driving business action in support of and aligned with public policy relating to nature and climate adaptation. 

Previous roles have included Sustainability Communications Manager at the London 2012 Olympic and Paralympic Games, sustainability manager at the PR firm, Hill & Knowlton, advising clients such as WWF, HSBC, IHG. She previously took a sabbatical in New Zealand working for the Department of Conservation on indigenous bird conservation and for the Green Party, New Zealand. She has a masters degree in Publishing and a Bachelor’s Degree in English and Linguistics.

Lucy Livesley

Lucy is Policy & External Affairs Director at Reall, an innovator and investor in climate-smart affordable housing in cities across Africa and Asia. She has over 16 years’ experience in international urban development, sustainable cities and green buildings, operating at the intersection of the not-for-profit, public and private sectors. 

Having spent over a decade of her career at Reall, Lucy has played a key role in shaping Reall’s emergence as a market-leader delivering green housing and community resilience solutions for people on low-incomes. Lucy has held leadership roles spanning strategy, operations, impact investment, fundraising and policy, and is a passionate collaborator around city initiatives that jointly deliver for people and the planet.

Jo Dimitri

Jo is a Senior Programme Manager for the National Trust, leading their programme in London to address unequal access to nature, beauty and history. Over 11 years with the charity, she has built up extensive experience delivering major infrastructure and improvement projects within heritage settings as well as leading large partnership initiatives in Birmingham, including the restoration of Roundhouse Birmingham and future plans for Moseley Road Baths.  

A project professional for over 20 years, Jo started out in the events industry managing corporate, private and charity events across the UK before making the move into the cultural and heritage sector. Prior to joining the National Trust, she worked at the Natural History Museum on major public engagement events, projects and exhibitions, including the Ice Rink and Wildlife Photographer of the Year; and managed government investment into museums in the West Midlands, South West and London as part of the former DCMS Renaissance programme. 

Claire Eagle

Claire is a policy and strategy professional focused on cities and net zero. In her current role at the Connected Places Catapult, Claire is helping to scale innovation-led urban regeneration projects across the UK. Previously, she worked on transport policy at the Greater London Authority on London’s transport policy, supporting the Deputy Mayor for Transport in public transport-related areas. 

Claire came to London six years ago to pursue a Masters of Public Administration at the London School of Economics. Previously she lived in three different cities in Canada, where she worked in strategy consulting with KPMG. Claire credits her experience across cities with sparking her passion for accessible, green, and wild spaces in urban environments, as she has felt firsthand the impact that these spaces have on urban life. 

Special Advisors and former Trustees

Daniel Raven-Ellison

Dan provided the founding vision for National Park Cities. A self confessed guerrilla geographer, a National Geographic Emerging Explorer combining creative exploration, geography and communication to tackle social and environmental challenges. 

Dan has walked across all of the UK’s national parks and cities and recently founded the Slowways project mapping walking routes across Britain. He has climbed the equivalent height of Everest using stairs in London buildings, authored children’s books and is a regular speaker on adventure, exploration, play, education, conservation, technology and cities.

Paul de Zylva

Our former Chair, Paul is Friends of the Earth’s Senior Sustainability Analyst and lead specialist on nature, biodiversity and ecosystems. Paul devised the Defend Nature campaign to protect the most precious wild species and habitats in Europe; The Bee Cause, catalysing UK and global action to reverse bee and pollinator decline; and saved London’s top wildlife haven at Rainham Marshes from being destroyed.

A founding member of the London Sustainable Development Commission (LSDC) which was central to the winning, staging and legacy of the 2012 Olympics and Paralympics. Paul chairs the award-winning Quaggy Waterways Action Group and is a Fellow of the RSA.

Ben Smith

Ben is Director and London Group Leader for Climate and Sustainability Services with the global engineering firm Arup, where he is also the Partnership Director for the firms partnership with C40 Cities.

A Chartered Environmentalist Ben is an environmental consultant with 20 years’ experience from projects in the UK, Europe, Middle East and Australia.

Ben has specialised in sustainable development, energy strategy, climate change (mitigation and adaptation) and urban resilience. Ben was previously Director for Sustainable Development at AECOM.

Luis Alvarado Martinez

Luis works at the intersection of climate, government relations, city innovation, politics and youth empowerment. He advises the World Economic Forum and Mission Possible Partnership helping leading companies decarbonize across heavy industries, accelerating the transition to a carbon neutral future. 

At WEF he builds philanthropic-public-private alliances to derisk climate tech investments at scale, and works closely with governments and the UNFCCC High Level Climate Champion to accelerate private sector climate action.

He helped establish Rockefeller Foundation’s 100 Resilient Cities, working with cities and mayors to advance urban resilience and sustainability strategies, and managed relations with the EU as head of public policy.

He has held elected civil society positions in Brussels working with the EU, Council of Europe and UN – including president of the European Youth Forum, representing 150 million young people. He advised former French President Valery Giscard d’Estaing’s incubator of political ideas, Re-Imagine Europe.

Emily Hamilton

Emily is a built environment sustainability professional with over 15 years of experience. Her current role is as  Head of Environmental, Social and Corporate Governance (ESG) at Savills Investment Management, where she leads the global ESG team and sustainability transformation efforts.

Emily is passionate about nature and accessible high quality green space. She is an avid bird watcher and pond enthusiast. Her passion for wildlife led her to a career in sustainability and she has worked and advised on air quality, biodiversity enhancement and green spaces,  climate action and resource use, and how organisations in the built environment can deploy and gain from sustainable practices, including through sustainability knowledge transfer among professionals. 

Emily has also served Vice Chair of Friends of Burgess Park and organised numerous community events including pedal powered park film festivals.

Steve Pocock

Educated as an astrophysicist and working in innovative technology startups surfing several waves as product manager, CTO, and COO, Steve has built companies, teams, and complex “big data” music, information, entertainment solutions in the US and UK for Silicon Valley firms and high street names including Vodafone, Sony, Samsung and Sky.

Steve’s latest venture is Revolution Consultancy & Design. Its Forward Movement Platform, a technology platform to help people notice and explore their surroundings can be seen in action in TreeTalk a joint project with Paul Wood (TheStreetTree) and CPRE’s #GoParksLondon. In his spare time Steve is exploring London’s wilder corners, and working on the Great West Hedge, a pollution busting hedge along the A4.

Angela McDermott

Angela is Head of Programmes and Impact at WasteAid, which works with entrepreneurs and municipal councils to tackle waste in the Global South. Alongside this she is a consultant on partnership development, project management and training. She is also chair of the Humanitarian Innovation Fund’s funding committee at ELRHA. Prior to this she spent 15 years in the humanitarian sector leading work to improve the quality, speed and effectiveness of emergency responses. She has also managed a number of emergency programmes in countries including Uganda and the Democratic Republic of Congo.

Angela has chaired the Board of the Remakery in Brixton, a reuse and repair community cooperative. She is also active with William Morris Big Local in Walthamstow, a resident-led initiative that includes a work stream to improve outdoor spaces.

Julian Tollast 

Julian is Head of Master Planning and Design at Quintain with more than 30 years’ experience, including 17 at Farrells, working on significant and varied design and development projects. 

Julian’s experience in leading projects from both the client and consultant side brings the ability to relate to and realise opportunities scaling from “ District to Doorknob” using project leadership, management and construction skills to integrate economic, social and environmental aims.

Dr Steve Head

An invertebrate zoologist and general ecologist with a particular interest in wildlife gardening and helping people at every level to understand the importance of garden wildlife. He was a founder member of the Wildlife Gardening Forum, and managed the Forum and its conferences for several years. 

Steve was a lecturer and Associate Professor in Oxford, Jamaica and the Sultanate of Oman, where he became Deputy Dean of Science, lecturing in subjects including reef ecology, marine ecology, invertebrate zoology and environmental physiology. He is a former Chief Executive Officer and trustee of several UK environmental charities and was for 8 years a Secretary of State Member of the Exmoor National Park Authority.

Professor Edward Truch

Director of the National Park Research Centre and a visiting Professor in Management Science at the Lancaster University Management School. 

He is founder of the Knowledge Management Forum at Henley Business School and an expert in strategic planning, organisational development and technology-led innovation. Edward advises multinational corporations and governments, including the UK Government, on public administration reform and development of knowledge based economies. Research includes the social capital of green spaces and national park governance.


Alison Archer * Andrew Denton (Outdoor Industries Association) * Andrew Firman (Carter Lemon Camerons LLP) * Professor Carolyn Roberts (Frank Jackson Professor of the Environment at Gresham College) * Cath Prisk (Outdoor People) * Professor Catherine Nash (School of Geography, Queen Mary University of London) * Chamu Kuppuswamy * Chris Parker (Geovation) * Dave Morris (London Green Spaces Friends Groups Network) * Professor David Goode (UCL, CIEEM, IUCN) * Duncan Tuft (Carter Lemon Camerons LLP) * Heather Ring (Wayward) * Helen Jackson (South Downs National Park Authority) * Professor Dame Henrietta Moore (UCL Institute for Global Prosperity) * Jess Kennedy (ARUP) * Professor Kate Jones (UCL Centre for Biodiversity and Environmental Research) * Katy Hogarth (Moo Canoes) * Martin Crabbe (London Sustainable Schools Forum) * Mark Chaudoir (Director) *  Max Farrell (Farrells) * Rob Gray (FORCE) * Sam Parry (Hackney Council) * Sarah Temple (London College of Communication) * Stuart Brooks (National Trust for Scotland and IUCN UK Committee) * Sue Harrington * Tom Lindsay (100 Resilient Cities) * Tracy Firmin (Langdon Park School) *

Organisational Supporters

AECOM * Can of Worms * Conway Hall * Farrells Friends of Gillespie Park * Geovation Hub * John Muir Trust * Kestrelman Trust * Lancaster University  * London College of Communication * London Wildlife Trust * Mission:Explore * National Parks Research * North Design * Now|Comms * The Office of Charlie Peel * Ordnance Survey * The Outdoor People * The Paxton Crystal Palace Reconstruction Project * Semble (previously Project Dirt) * Quintain RSPB London * Salzburg Global Seminar * School of Geography Queen Mary University of London * SHM Foundation * Symprove * UCL – Institute for Global Prosperity * Urban Good * World Urban Parks Association *

Crowdfunders who helps to fund the original proposal

* Abigail Mckern * Abigail WoodmanAdam Gray * AECOM * Alan Outten * Alan Stanley * Alex Brooks-Johnson * Alexander Macchini * Alexander Moen * Alistair Young * Amanda Brace * Amanda Coppard * Ana Cristina Inacio * Anders * Andrea Polden * Andree Frieze * Andrew Birkby * Andrew Jones * Andy Knill Andy Luck * Angela Rouse * Angie Davila * Ania Butler * Anita Gracie * Ann Basu * Anna Fernandes * Anna Kydd * Anna Richards * Anne Keenan * Anne Knill * Anthea Masey * Ava Smith * Barbara Griessner * Ben Brace * Ben Connor * Ben Raven * Ben Rogers * Ben Smith * Ben Walker * Bernard White * Beth Scott * Brendan Sterne * Brennan Smith * Carolina Fattori * Caroline Hutchings * Carolyn Heathcote * Cath Prisk * Chaitanya * Charlotte Bownass * Charlotte Regan * Chris Guy * Chris Parker * Chris RomerLee * Christopher Grainger * Christopher Mahon * Claire MoraPescod * Cyrus Massoudi * Daisygreen * Daniel E Farnes * Daniel Edelson * Daniel RavenEllison * Darren * Daubeney Fields Forever * Dave Lukes * David Creed * David Ellison * David Goodhart * David Hanney * David Jones * David Rogers * David Williams * Deb Gostling * Deborah Colvin * Deborah Fowler * Diane Wilson * Dlanctin * DME Elizabeth Cook * DME Fanny Jones * Dorota MS * Dr Andreas Liefooghe * Dr Martin Kunz * Dylan Fuller * Ed Adebowale-Schwarte * Edward Drewitt * Eileen Hagger-Street * EImage * Elaine Elkington * Elaine Sloan * Elaine Sloan * Elisabeth Crudgington * Ella Adebowale-Schwarte * Ellen Shearman * Elmstead * Emma Jones * Emma Lloyd * Emma Pettit * Emmanuelle Tandy * Esther Potman * Ewan Laurke * Family Lefevre * Family Steer * Fiona Kindness * Freya Summersgill * Friends of Dog Kennel Hill Wood * Friends of Gillespie Park * Frog Environmental * Gemma Harding * Geoff Covington * George Rayner * Geraldine Curtis * Gerry Kift * Gerry Tissier * Gina Glover * Graeme Eyre * Graeme Hewson * Graeme Maynard * Guy Haslam * Gwenda Owen * Hannah * Hannah Hislop * Hassan Munir * Helen Jackson * Helen Steer * Hilary Ellison * Hilary Ellison * Hugh Barnard * Ian Brenkley * International Garden Photographer of the Year * Ivor G Richards * J and OW Mayo * J L F Shuker * Jackie Reiss * Janet Barnett * Jasia Warren * Jenni Chan * Jessica Davison * Jessica Peace * Jimmy Hall * Jini Reddy * Jo Norcup * Jochem Ermboud Hamoen * John Coombs * John Elkington * John Field * John Fisher * John Hatto * John Rodgers * John Russell * John Strick Van Linschoten * John Webb * John Wyant * Jonathan Graham * Joris Kemel * Josh Leuner * Judy Ling Wong * Jules Gascoyne * Julia Lockheart * K Brabston * Karin Vermooten * Kate McGoey * Kate Stockdale * Kate Swade * Katie Willis * Ken Banks * Kimberley Pearson * Laurence Arnold * Lillian Henley * Lisa Woynarski * Liz Goold * Liz Stuffins * London Waterkeeper * Lorna Paterson * Lucy Shuker * Lucy Wills * Madi R * Maeve Ryan * Marcella Verdi * Marie Rabouhans * Marina Pacheco * Mark Pearce * Mark Walton * Martin Lugg * Mat Corbett * Matt Brown * Matt Clare * Matt Francis * Matt Gilbert * Matt Guy * Matthew Ryan * Max Farrell * Melanie Collins * Melissa Harrison * Mia DeNardi * Michael Henderson * Mick K * Mickey Boukraa * Mike Priaulx * Molly Rose Butt * Mr Sam Thomas * Mr Steve Pocock * Mrs Ann Smith * Nathan Nelson * Neil Maiden * Neil McCarthy * Nic Vine * Nick Lane * Nick Parker * Nicky Brown * Nicola Frances Rossiter * Oliver and Jennifer Mayo * Operation Centaur * Otto Milligan * Pam Orchard * Paul Hamblin * Paul Lister * Paul Turner * Paul Unett * Pauline * Pennie Hedge * Penny Badowska * Pereen d’Avoine * Pete Nottage * Peter * Peter Cairns * Peter Jenkinson * Peter Jones * Peter Raven * Peter Sellars * Phil Steer * Philip Andrews * Philip Harrison * Pip Thornton * Professor Henrietta Moore * Queen Mary University of London * Quintain * R Frayn * Rachel Collier * Rebecca Hill * Rebecca Salter * Rebekah Phillips * Richard Grimshaw * Richard Williams * Rick Blything * Rick Glanvill * Rob Bushby * Rob McBride * Rob Philip * Robert Collier * Robert Ellison * Robert Lingard * Robert McBride * Robster * Roddy Sloan * Roderik Gonggrijp * Rollo Home * Rory Huston * Rose Ades * Rose Heatley * Roy Levien * Ryan Stevenson * Sabine Best * Sam Thomas * Sana Lingorsky * Sandra Vogel * Sarah Carlin * Sasha Morgan * Saskia marsh * Save Lea Marshes * School of Geography * Sean Miller * Shane * Sharleen Thornley * Sharmin Takin * Sheila Jones * Simon Strevens * Simon Tompsett * Simon Walton * SIMR * Skotti Hunden * Sophie Manham * St. Athans Hotel * Steph Windsor * Stephen Middleton * Steve Hudson * Susan * Susan Fisher * Susan Fisher * Susan Palmer * Susan Palmer * Suzanne Miller * Tara Stevens * Terence Michael * The Newton Family * The Paxton Crystal Palace Reconstruction Project * The PinkHat * Thomas Youngman * Tiago Salavessa Ferreira * Tigger Bumble Willis Po * Tim Gill * Tim Hughes * Tim Pettigrew * Tim Webb * Tobias Steed * Toby Osmond * Tom Alexander * Tom Denning * Tom Farrand * Tom Hewitt * Tom MorganJones * Tom Wells * Tony Burton * Tony McDougal * Triks * Urban Nirvana * Valerie Pocock * Vanessa Ross * Vincent Bachofner * Wayne Trevor * Wendy * Wild Donor * Will & Zoe Henley * Will Walker * Willshome * Worldmapper * Zac Goldsmith * Zoe Davies * Zwei
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