Science-Led Consulting for an Unpredictable World- We solve environmental challenges at the intersection of risk, policy, and nature.
Deborah Brosnan & Associates is a global science and strategy firm that works with discerning clients—from high-net-worth investors and developers to governments and NGOs—to solve urgent environmental risks and create long-term resilience. Founded by Dr. Deborah Brosnan, the firm brings elite scientific insight and practical solutions to some of the world’s most complex challenges, from disaster-prone coastlines to multi-billion-dollar sustainable developments.
What We Do
🔹 Environmental Risk & Resilience
Site-level assessments, strategic adaptation planning, and nature-based infrastructure solutions.
🔹 Regulatory & Policy Navigation
We guide clients through complex regulatory landscapes with scientific credibility, on from national to international levels, from Environmental and Social Impact Assessments, to IFC Performance Standards and UN SDGs. We work with governments to help negotiate solutions that work for all sides and the environment.
🔹 Ecosystem Restoration & Design
We integrate restoration into infrastructure, real estate, tourism, and conservation, using proven science and scalable innovation.
🔹 Scientific Strategy for Private Clients
Discretionary environmental expertise for individuals, philanthropists, and investors and entities.
How We Do It
🔹 Bespoke Approach and Team Creation
We invest the time to understand the client's need, and the underlying challenges, we assemble the best team to work on solutions.
For large projects we will frequently partner with other entities and skills sets, from architects, to engineers, to financial analysts.
Why Work With Us
✓ Trusted by global leaders and institutions
✓ Known for discretion, speed, and scientific precision
✓ Embedded in the highest levels - UN, US, EU, and private governance
Some of our Stellar Associate Team (more bios and images coming soon- check back)
Dr Holly Trew: Ph.D in marine and coastal science specializing in the Caribbean
Dr Harmony Martell, marine and project management, member of the Explorers Club and multi-faceted
Dr. Rodolfo Silva, coastal engineer, and a leading the integration of engineering and nature based solutions for beaches and coastal zones
Dr. Valeria Chavez Cheron coastal modeling for resilience
Dr Brent Hughes coastal ecosystems, seagrasses, salt marshes, kelps and understanding major driving forces affecting coastal stability in order to find solutions. Cover publications in Nature.
Kaylee Prince M.S. marine and reef science and policy expert with experience from Florida, the Caribbean to the Middle East.
Partnerships: University of the West Indies; PADI, AWARE, HubCulture, World Sustainable Hospitality Alliance and others
Select Projects
Our clients have included
Private Sector: JP DeJoria, PLH, Discovery Land Company, Le Guanahani, Pelekos, Relay Developments/Rosewood Resorts, Still Meadow Holdings (London)
Government and NGO Sector: US Government Dept. of Interior (and its agencies), US Army Corps of Engineers, NASA, St. Barthelemy Government, European Union, ACP/Climate Change Program, The Nature Conservancy, PADI AWARE
Core Values
Our actions are guided by a set of strong core values. They are:
Featured Projects Client Testimonials Blog
Deborah Brosnan & Associates is a global science and strategy firm that works with discerning clients—from high-net-worth investors and developers to governments and NGOs—to solve urgent environmental risks and create long-term resilience. Founded by Dr. Deborah Brosnan, the firm brings elite scientific insight and practical solutions to some of the world’s most complex challenges, from disaster-prone coastlines to multi-billion-dollar sustainable developments.
- We thrive in high stakes and large complex projects.
- We turn risks to opportunities
- We focus on solutions
- We believe that collaborative strategies create resilience allowing all to thrive
What We Do
🔹 Environmental Risk & Resilience
Site-level assessments, strategic adaptation planning, and nature-based infrastructure solutions.
🔹 Regulatory & Policy Navigation
We guide clients through complex regulatory landscapes with scientific credibility, on from national to international levels, from Environmental and Social Impact Assessments, to IFC Performance Standards and UN SDGs. We work with governments to help negotiate solutions that work for all sides and the environment.
🔹 Ecosystem Restoration & Design
We integrate restoration into infrastructure, real estate, tourism, and conservation, using proven science and scalable innovation.
🔹 Scientific Strategy for Private Clients
Discretionary environmental expertise for individuals, philanthropists, and investors and entities.
How We Do It
🔹 Bespoke Approach and Team Creation
We invest the time to understand the client's need, and the underlying challenges, we assemble the best team to work on solutions.
For large projects we will frequently partner with other entities and skills sets, from architects, to engineers, to financial analysts.
Why Work With Us
✓ Trusted by global leaders and institutions
✓ Known for discretion, speed, and scientific precision
✓ Embedded in the highest levels - UN, US, EU, and private governance
Some of our Stellar Associate Team (more bios and images coming soon- check back)
Dr Holly Trew: Ph.D in marine and coastal science specializing in the Caribbean
Dr Harmony Martell, marine and project management, member of the Explorers Club and multi-faceted
Dr. Rodolfo Silva, coastal engineer, and a leading the integration of engineering and nature based solutions for beaches and coastal zones
Dr. Valeria Chavez Cheron coastal modeling for resilience
Dr Brent Hughes coastal ecosystems, seagrasses, salt marshes, kelps and understanding major driving forces affecting coastal stability in order to find solutions. Cover publications in Nature.
Kaylee Prince M.S. marine and reef science and policy expert with experience from Florida, the Caribbean to the Middle East.
Partnerships: University of the West Indies; PADI, AWARE, HubCulture, World Sustainable Hospitality Alliance and others
Select Projects
- Caribbean: Leading the environmental and sustainability strategy for major sustainable development projects over several nations.
- South Florida Ecosystem Restoration: Helped to unlock $5.8B government investment through science-based resolution of regulatory deadlocks.
- Hazards & Resilience Planning: Advised international bodies, U.S. governments, and others on tsunami, wildfire, and coastal risks through science-to-policy initiatives.
Our clients have included
Private Sector: JP DeJoria, PLH, Discovery Land Company, Le Guanahani, Pelekos, Relay Developments/Rosewood Resorts, Still Meadow Holdings (London)
Government and NGO Sector: US Government Dept. of Interior (and its agencies), US Army Corps of Engineers, NASA, St. Barthelemy Government, European Union, ACP/Climate Change Program, The Nature Conservancy, PADI AWARE
Core Values
Our actions are guided by a set of strong core values. They are:
- Integrity
- Credibility
- Respect
- Technical expertise of the highest quality
- Trust-building
- Excellence
Featured Projects Client Testimonials Blog
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