
MEET THE TEAM
Diana Sterck
CEO
Diana is a Chartered Marketer with over 20 year's experience working in public/private sector partnerships. She has been Chief Executive of Merton Chamber of Commerce since 2001 and is co-Chair of Merton’s Sustainable Communities and Transport theme group and the Economic Wellbeing Group. She has a passion for supporting local communities working together for a better environment, and is a lover of trees, plants, gardens and all things “green”!
Projects
Danila Ardé
Volunteer & Community Changemaker Manager
Danila has lived in Merton for over 20 years and is a keen gardener with an eye for innovative ways to improve our environment for the benefit of all by bringing Merton communities together. She has always been motivated by making a positive impact on people’s lives and the planet.
With a strong background in Human Resources, Community Engagement and Volunteer Management, she has worked across a wide variety of sectors in senior HR roles, including Charity, Banking, Telecoms, University and Schools in the UK and Africa. Danila has a Postgraduate Degree in Human Resources, is a Chartered MCIPD member, and holds a qualification in Climate Change and Environmental Awareness Studies.
Combining her HR and project management skills along with a passion for plants and community engagement, she found her volunteer work as a Merton Garden Streets Co-ordinator so rewarding she joined Sustainable Merton as the Merton Garden Streets Project Manager in April 2022, and later took on the role of Operations and Volunteer Manager. In 2024 she moved to another national environmental charity as their Head of HR and Operations, and has recently returned to Sustainable Merton as the Volunteer and Community Changemaker Manager.
In her spare time she enjoys visiting gardens, gardening, growing, sewing and painting.
Anelisa Fleury Tremolada
Community Fridge Coordinator
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Anelisa has a passion for food and reducing waste is rooted in family values. With a diverse background spanning administration, education, and the arts, she has worked as an assistant director on low-budget films, music videos, shorts, and ads, and has held various administrative roles including receptionist, office and HR assistant. Anelisa has also taught ESOL (English for Speakers of Other Languages) and served as a theatre teaching assistant, reflecting her enthusiasm for learning and sharing knowledge. She enjoys arts and crafts like crochet, knitting, pottery, and wood burning, and likes baking. She is very interested in people’s stories and personal growth. Anelisa started volunteering with Merton's Community Fridge in October 2024 and has now joined the Sustainable Merton staff team as Community Fridge Coordinator.
Natalie Ifill
Preloved Studio Project Manager
Natalie has a background in art and design, with experience at the Victoria and Albert Museum and in a large secondary school. She has worked with diverse groups and developed a wide range of technical skills, including sewing, metalwork, and woodwork. Alongside her professional roles, she runs a business specialising in handcrafted, eco-conscious jewellery. Natalie is passionate about sustainability, waste reduction, and championing circular design principles.
Matthew Marks
Community Fridge E-Bike Rider (Courier)
Matthew has always been interested in technology and sustainability, combining the two for projects such as a solar-powered rainwater harvesting system for his home. He started volunteering at Merton's Community Fridge to demonstrate that deliveries can be done by bicycle, and so was happy to join the team running the cargo bike. He has lived in Merton for 35 years and enjoys making music in groups such as Colliers Wood Chorus and Colliers Wood Community Orchestra.​​​
Katie Tubby
Growing Spaces Coordinator
Katie has a long career in the voluntary sector, managing volunteer-involving programmes and various community projects and services. An avid gardener and grower, she went back to school in 2020, to undertake horticultural training with the RHS. Keen to combine her passion for gardening and growing with her professional skills, she joined Sustainable Merton in 2022 as the Growing Spaces Coordinator. She has an interest in the role that community gardening and urban/peri-urban farms can play in tackling issues such as food insecurity and biodiversity loss alongside how gardening can support physical and mental well-being. When not gardening or at the allotment, she enjoys dancing, reading and hiking.
Hanna Dunnell
Merton Garden Streets & Community Planting Manager
Hanna moved to Merton in 2021 and immediately signed up to be a Street Coordinator for Merton Garden Streets knowing that planting up tree pits would add colour, life and nature to her neighbourhood. In 2024 she joined Sustainable Merton's staff team as the Project Manager for Merton Garden Streets and the recently launched Community Food Growing Project.
Prior to joining Sustainable Merton, Hanna completed her BA in "European Studies" with a strong focus on campaigning and social movements. She spent the last few years working for waste reduction charities and campaigning organisations. In her spare time, Hanna is usually at her allotment or spending time with her daughters.
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Siobhan Hurley
Community Fridge Manager
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Siobhan has a background in programme management across a variety of sectors, including corporate, charity and international development. A keen baker, who has previously run her own food business, Siobhan joined Sustainable Merton in 2023 excited by the chance to combine her passion for food equity with her experience in operational and partnership management. Originally from the US, Siobhan has lived in Merton for over 17 years and has been an active volunteer supporting refugees and asylum seekers in the borough.​​
Inger Larsen
Community Gardening Training Coordinator
Inger joined Sustainable Merton in the summer of 2021 and is very happy to be involved with their Community Gardens. With a degree in ‘Management of Natural Recourses’ from the ‘Norwegian University of Life Sciences’ and working as a part-time teaching assistant in a secondary school, she is very keen on everything that grows and how we can thrive and grow together in a sustainable way.
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Two of her favourite activities are spending time at her local allotment and riding her bicycle.​​
Cat Schiller
Community Fridge E-Bike Rider (Courier)
Cat has a background in teaching and has taught in primary schools in Merton for over 30 years. She is particularly interested in reducing her environmental footprint and conserving resources. As well as working for Sustainable Merton, she volunteers at a scrap scheme that gives surplus materials creative uses, saving them from landfill. She joined Sustainable Merton in August 2024, collecting food donations from local organisations and supermarkets for Merton's Communtiy Fridge. Having previously volunteered in a Community Kitchen and Drop-in centre, Cat is passionate about supporting those experiencing food insecurity, whilst reducing the amount of food going to waste.
Cat is a regular tennis player, enjoys gardening and is a keen cyclist. She is also interested in the arts and enjoys getting creative!
Communications
Amy Coyne
Communications Manager
Amy joined Sustainable Merton in 2013 as an office volunteer, and later that year took on the role of Office Administrator. She now works with the team to coordinate the charity's growing communications channels, and is proud to support the volunteers who are the heart of the organisation.
Amy enjoys long walks on Merton's commons and wishes to explore more of the UK's beautiful landscapes.
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Mary Hanover
PR & Social Media Consultant
Mary is passionate about helping NGOs and ethical brands expand their reach with PR and social media. She recently joined Sustainable Merton to provide additional support and help launch The Wheel. Previously Mary managed the celebrity & influencer marketing for the World Refill Day annual public awareness campaign and worked at COP26 in Glasgow managing PR for a Youth Climate Summit. She is a Womble in the true sense of the word, having grown up in the middle of Wimbledon Common where, as a child, she used to ride her pony after school every day. More than 40 years on, and she still lives in the same spot on Wimbledon Common with her husband and three children! She is delighted to be working with the team at Sustainable Merton on the array of local projects, helping her own borough achieve a greener, more sustainable future.
Finance & Admin
Bernadette Cook
Finance & Accounts
My role at Sustainable Merton is to manage all the financial functions. I started working with Sustainable Merton in 2021 to help them set up systems and financial processes to manage their growing income and grant funding. This has given me the opportunity to use my experience of developing reporting systems to provide useful Financial Information.
Trustees
Anna Bruni Sabahney
Trustee
Anna is an entrepreneur and social impact communications professional with 15 years experience and a background in the private sector in civil engineering. Anna founded The Confluencers in order to help non-profits to communicate the full breadth and depth of their impact, get long term unrestricted funding and trusting funding relationships. As a Civil Engineer, Anna successfully developed Business Cases, secured and managed projects with a value of up to £4m. She is also responsible for leading Social Value delivery in the UK market for a larger engineering firm. Anna has worked with a variety of Non Profits, private sector developers and governments across the UK, USA, Africa, India and Europe. One of her greatest skills is the ability to connect seemingly unconnected people or ideas and organize them to work together towards shared goals. Anna volunteers, fundraises and donates to a number of charities.
Eleanor Cranmer
Trustee
Eleanor is a chartered accountant and Fellow of the Institute who has worked as company secretary in financial services for over 30 years. She has almost 20 years’ experience of working with charities as either trustee or company secretary, including being a trustee of FareShare for six years during its early life. She is committed to the principles of sustainability and, recently retired, she is delighted to have time now to support Sustainable Merton in its next phase of development.
Alan Maries
Trustee
Alan has a background in construction materials research and environmental management of major road and rail projects, with a particular interest in sustainability. He has lived in Wimbledon for nearly 40 years, and became involved in local issues through membership of local residents’ associations, the Wimbledon Society and the Green Coffee network, using his professional experience in assessing the impacts of local planning developments. He has also participated in launching the Wimbledon Town Neighbourhood Forum, believing strongly in the need for individuals to help shape the future of their immediate localities.
Anca Tacu
Trustee
Anca is proud to be a trustee of this wonderful charity, having been a committed Community Champion for over two years. As part of the Sustainable Merton Energy Team, Anca was one of the authors of the ‘Energy Saving Handbook’.
Anca brings her expertise from her work in the Policy Impact Unit within the UCL Department of Science, Technology, Engineering and Public Policy (STEaPP) and her academic studies. She is particularly interested in the strategic direction and governance of Sustainable Merton.
Andrea Charlson
Chair of Trustees
Andrea is a Chartered Environmentalist and Engineer who has been at the forefront of sustainability in the built environment for 15 years. She has vast experience working in both the public and private sectors. She has been a Merton resident for over 10 years and is passionate about the work of Sustainable Merton with significant professional experience relating to the circular economy, and a keen personal interest in nature, biodiversity, health and wellbeing and healthy food. Andrea is keen to get more involved in community work and is delighted to be able to use her experience to help ensure the continued success of the organisation.
Nick Frank
Treasurer Trustee
Nick Frank is a Chartered Accountant with over 30 years post-qualification experience in the not-for-profit sector. He is Head of Finance & IT at the Royal Medical Benevolent Fund in Wimbledon and previously served as a director of Merton Chamber of Commerce. He lives in Merton Park.
Su Kim-Stroud
Trustee
Su was born in S. Korea but grew up in Southern California in the US and has been living in SW London for over 13 years and Merton for 8 years. Su has over 30 years of broad experience in HR, Technology and Sales across different sectors and countries. She has worked with 8 start-up/SME companies in the UK, including impact companies in technology, property and professional services. Su is committed to sustainability, especially with recent ongoing experience of working with organisations that aim to make a real difference to the world we live in today and now with Sustainable Merton. She also volunteers at Merton’s Community Fridge and is a Sustainable Merton Waste Warrior picking up litter in and around Wimbledon.
Sally Warren
Trustee
Sally is an adviser on brand marketing, place and sustainability and works as an adviser to Love Wimbledon BID as well as leads the marketing in a Top 50 architects practice in London. She co-founded WhoSki.com, a national preloved ski wear an outdoor wear platform, created as she was fed up with seeing so much manmade fibre go to landfill. She initiated Wimbledon’s Sustainable September, which demonstrates sustainability can be fun, interesting, save money and drive footfall. She is never happier than developing brand and marketing visions with practical deliverables, especially when they reduce impact on the environment.
Are you interested in becoming a trustee? Please contact our CEO, Diana Sterck at diana@sustainablemerton.org for more information.
Ambassadors
Tom Walsh
Community Ambassador & Founder
Tom was trained in applied biology before becoming a green activist first with the Green Party and then as a co-founder of Sustainable Merton. He has always believed in the vital role we all have in helping to solve the problems of climate change and the role of grassroots organisations like SM reflects this.
Tom is married to Wendy and has two grown up children, Ben and Katie.
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