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Mangroves
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Who We are

An Introduction to GMT

We are a Singapore-based not-for-profit working to advance community-led blue carbon conservation and ecosystem restoration across Southeast Asia and beyond. Global Mangrove Trust (GMT) brings together expertise in carbon science, local partnerships, and digital innovation to support practical, community-driven solutions. Our work bridges impact and climate finance to deliver grounded, long-term outcomes in coastal conservation, regeneration, and poverty reduction rooted in equality, justice, and respect for those most closely connected to the ecosystems we protect.

OUR APPROACH

Compassionate solutions for lasting impact

Our approach focuses on creating sustainable change by addressing root causes, empowering communities, and delivering compassionate solutions.

Our Mission

We strive to create positive change, empower.

Our Vision

We strive to create positive change, empower.

Our Value

We strive to create positive change, empower.

North Sumatra

OUR MISSION

Empowering Communities, Restoring Ecosystems

Our mission is to advance community-led conservation through adaptable, locally grounded models that restore ecosystems and improve lives. As part of our Vision 2030, we are deepening our work across Southeast Asia and beyond by partnering with grassroots organizations, local governments, and regional networks committed to long-term restoration. We prioritize inclusive approaches that place women, Indigenous groups, and marginalized communities at the center of both conservation and livelihood efforts. By aligning private sector finance with community priorities, we aim to ensure fair benefit-sharing and build lasting climate resilience from the ground up.

Years of experience
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Thousand volunteers
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Word wide office
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OUR VALUES

The Principles That Shape Our Work

These values shape how we think, how we build, and how we show up—across projects, partnerships, and every step in between. They keep our work grounded, our teams aligned, and our decisions accountable to the people and ecosystems we serve.

Humility

Our most foundational value that means entering each space with openness—not to teach, but to learn. We design with the awareness that insight often lives where no one is looking, and that our role is to connect, not control.

Equality

Equality means building systems where power is shared not concentrated. Every role, every place, and every voice has the opportunity to participate meaningfully and shape what comes next.

Justice

We work to correct imbalance by shifting who holds decision-making power. Justice means placing historically excluded voices at the center, and designing processes that reflect the realities they live every day.

Kindness

Kindness is how we show up—for our partners, our teams, and the communities we serve. It shapes how we collaborate, how we communicate, and how we create space for care across every timeline and touchpoint.

OUR FEATURE

Highlights our impactful work

Discover the positive change we’ve created through our programs, partnerships, and dedicated efforts. From healthcare and education to environmental sustainability.

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Healthcare Support

Providing essential healthcare services and resources to communities.

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Education Support

Providing essential healthcare services and resources to communities.

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Food Support

Providing essential healthcare services and resources to communities.

OUR PROMISE

Our Commitment to Impact

We believe real climate action begins with the people who live closest to the ecosystems we aim to protect. That’s why we work directly with communities, local governments, and businesses to drive mangrove conservation and regeneration while building nature-based livelihoods that last. Our model supports place-based solutions that draw down carbon, restore coastal ecosystems, and strengthen local economies. We focus on women, youth, and Indigenous groups not just to include them, but to support their leadership from the start. We don’t promise sweeping change overnight. What we offer is a clear and honest path to lasting impact rooted in science, shaped by collaboration, and grounded in respect.

Years Of Experience
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Food Support
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OUR TEAM

Dedicated hearts behind our mission

Our team spans four continents and reflects the values we live by gender equity, inclusion, and collaboration. We don’t grow for scale alone we grow to serve. Grounded in humility and driven by impact, we stay nimble, focused, and connected across geographies to meet challenges where they matter most.

Dr. Ryan Merrill

Co-Founder and Executive Secretary

Dr. Simon Schillebeeckx

Co-Founder and Director

Dr. Mohamed Abdelwareth

Lead Impact Analyst

Matteo de Besi

Senior Project Advisor

Nouhaila Ed-dlimi

Solution Analyst
Wynee Gitau

Wynne Gitau

Solution Engineer

Malak Grioui

Solution Analyst

Ipyana Mwasambili

ESG Analyst

Siddharth Samal

Communications Lead

Srividya Thanikachalam

Finance Officer

Celeste Tan

Data Analyst

Laura Weiß

Development Fellow

Advisors

Linzi Hawkin

Advisor

Richard Cohen

Advisor

Elsa Lillford

Advisor

Daniel Swid

Advisor
CUSTOMER REVIEW
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TESTIMONIALS

What people say about us

Working with [NGO Name] has been a truly inspiring experience. Their dedication to uplifting communities and creating sustainable change is unmatched. Through their programs, I’ve seen lives transformed and hope restored

Eleanor Pena Volunteer Coordinator

Working with [NGO Name] has been a truly inspiring experience. Their dedication to uplifting communities and creating sustainable change is unmatched. Through their programs, I’ve seen lives transformed and hope restored

Michael Carter Program Manager

Working with [NGO Name] has been a truly inspiring experience. Their dedication to uplifting communities and creating sustainable change is unmatched. Through their programs, I’ve seen lives transformed and hope restored

Sophi Martinez Communications Director

FAQ

Answers to important your questions

You can volunteer, donate, or partner with us to support our initiatives. Visit our Get Involved page for more details.

You can volunteer, donate, or partner with us to support our initiatives. Visit our Get Involved page for more details.

You can volunteer, donate, or partner with us to support our initiatives. Visit our Get Involved page for more details.

You can volunteer, donate, or partner with us to support our initiatives. Visit our Get Involved page for more details.

You can volunteer, donate, or partner with us to support our initiatives. Visit our Get Involved page for more details.