Fundación Somos Agua offers a "new culture of water" via art-science collaborations, computer graphics, animated storytelling, and interactive exhibits.
SEAD Network is a community of scientists, engineers, artists, and designers who value collaborative work to foster innovation and sustainability.
Surfrider Foundation is an international organization dedicated to protecting oceans and beaches through conservation, litigation, research, and education.
Miralto is an urban design and sustainable solutions group that develops strategic approaches and plans benefiting both society and ecosystems.
Hanalei Watershed Hui cares for the rivers and watersheds of Kauai by applying the Hawaiian principles of sustainability, stewardship, integrity, and respect.
Planet Friendly Food combines system metrics, environmental auditing and education in minimizing the impacts of food production/selection on planetary health.
Water Innovation Advisors focuses on attracting and guiding entrepreneurs who can best address the world's imminent water and wastewater challenges.
International Development Collaborative are consultants working with host nations to address environmental, water, sanitation, and infrastructure challenges.
Dr. Marrin is currently based in California with affiliations and projects worldwide. His contact information is provided below, and links to some of the groups he has worked with are listed to the left.