About us

Ocean stewards building practical technology.

Reef Support is based in the Netherlands and works with engineers, scientists, and conservation partners focused on coral reefs, seagrass, and mangroves. We pair field data with digital tools and community programs to support monitoring and restoration work.

Our mission

Take practical action for marine conservation by combining field data, modern tooling, and community-led monitoring.

AI + automationOceanTech R&DReef Ranger training

What we stand for

Healthy coral reefs, seagrass, and mangroves protect coastal economies and biodiversity. We design monitoring systems that help partners move from field data to shared evidence and reporting workflows.

Open collaboration

We build with NGOs, universities, and local field teams.

Field-ready tools

Work offline and in remote environments when needed.

Shared stewardship

Participatory science with clear QA notes and provenance.

MariMap dashboardMariMap landing mapReef Ranger field trainingCoastal mangrove and reef landscape

Our team

Meet the people behind Reef Support.

Marcel Kempers

Marcel Kempers

Co-Founder & Director

Marcel is a serial social entrepreneur with the personal mission of bringing nature-based solutions and an international outlook to local communities. After spending a period of his life in the Caribbean, he saw how threatened our marine ecosystems are, he has found that sustainable travel and the technology to connect people can really make an impact on reef conservation in this decade.

Nikole Gualdron Chaparro

Nikole Gualdron Chaparro

Project Manager & Travel Coordinator

Nikole is a diver and marine conservationist at heart, from Bogota, Colombia, and has an education in biology. Nikole is also passionate about educating others and has experience in conservation of bottlenose dolphins in the Mediterranean in Sardegna, Italy. We are proud to have such a kind and dedicated to develop the Reef Ranger program for travel and training for Open Coral AI.

Sofía Pareja Galindo

Sofía Pareja Galindo

Community Manager

Sofía is in charge of our Reef Ranger community. She is a passionate diver and graphic designer, graduated from Universidad del Norte in Barranquilla, Colombia. She is convinced that graphic design is one of the most powerful tools to make visible everything that contributes to the construction of a better, more sensitive, more empathic and a more sustainable world.

Yohan Runhaar

Yohan Runhaar

Co-Founder & CTO

Yohan is a computer scientist with an affinity for artificial intelligence and big data, and is the CTO and lead developer for Reef Support's AI and software tools. Having grown up around the globe, and having been exposed to various ecosystems, he is passionated about applying technology to help nature. At Reef Support he is in charge of developing novel solutions for marine research.