Our Experts

Zanagee Artis

Fossil Fuels Policy Advocate, Nature Program

Zanagee Artis is a founding member and executive director of Zero Hour and has worked in the youth climate movement advocating for the need to transition away from fossil fuels. He is outspoken about the climate crisis and was a…

Anupa Asokan

Senior Advocate, Oceans Division, Nature Program

Anupa Asokan is a dedicated ocean advocate working to protect California’s marine ecosystems. Before joining NRDC, she managed and implemented a global, public-facing campaign through the World Surf League calling for ocean protections. Prior to that, Asokan served as the…

Sandy Aylesworth

Director, Pacific Initiative, Oceans Division, Nature Program

Sandy Aylesworth advocates to combat illegal fishing and for responsible offshore wind development. Prior to joining NRDC, she worked at the U.S. Department of State and was a Knauss Marine Policy Fellow at NOAA's Office of Legislative and Intergovernmental Affairs…

John Bailey

Senior Advocate, Federal and State Transportation, People & Communities Program

John Bailey has over two decades of experience as an advocate for sustainable and equitable communities at the national, state, and local levels. Bailey works to ensure that transportation investments and policies benefit people of all ages, abilities, and incomes…

Giulia C.S. Good Stefani

Senior Attorney, Marine Mammals, Oceans Division, Nature Program

Giulia C.S. Good Stefani works to protect marine mammals, wild places, and communities from environmental injustices. Stefani has worked on a variety of cases and campaigns at NRDC, including the effort to secure greater protection for whales from the U.S…

Alison Chase

Senior Policy Analyst, Oceans Division, Nature Program

Alison Chase helps craft and advocate for effective state and federal policies that will protect and restore ocean and coastal health. Prior to joining NRDC, she worked for a number of environmental organizations including the League of Conservation Voters and…

Sarah Chasis

Senior Strategist, Oceans Division, Nature Program

Sarah Chasis has been a longtime advocate for healthy coasts and oceans. She has protected sensitive areas from offshore oil drilling, protected the public from swimming in polluted waters, strengthened both domestic and international fisheries management, and promoted smarter ocean…

Chris Clark

RAY Diversity Marine Conservation Fellow, Nature Program

Chris Clark advocates for strong protections of marine habitat, marine conservation policy driven by community priorities and strong science, and sustainable and ethical fisheries management. Prior to joining NRDC, he worked on climate resilience and community outreach in the San…

Valerie Cleland

Oceans Advocate, Nature Program

Valerie Cleland advocates for policies that protect and restore our oceans. Prior to joining NRDC, Cleland was a NOAA Sea Grant Knauss Marine Policy Fellow in the Senate Committee on Commerce, Science, and Transportation where she worked to develop, analyze…

Catherine Cox Blair

Director, SPARCC, Resilient Communities, People & Communities Program

Catherine Cox Blair provides communities with technical assistance and expertise regarding city-led innovation and the forging of private-public partnerships. Prior to joining NRDC, she worked at Reconnecting America, where she managed sustainable-development projects in Minneapolis-St. Paul, Denver, and Atlanta and…

Donna De Costanzo

Director, Eastern Region, Climate & Clean Energy Program

Donna De Costanzo advocates for the implementation of policies that increase energy efficiency and renewable energy deployment as well as promote sustainable communities and smart growth, with a primary focus on New York State and New York City. Prior to…

Hilary Firestone

Senior Policy Advisor, City Energy Project, Resilient Communities, People & Communities Program

As a senior city policy expert for the City Energy Project, a collaboration between NRDC and the Institute for Market Transformation, Hilary Firestone works to advance policies and programs that cut energy waste in large buildings and make American cities…

Ericka Flores

Advocate, Clean Energy & Equity, Climate & Clean Energy Program

Ericka Flores provides technical and advocacy expertise for local and state-level equitable building decarbonization, building energy efficiency, and energy equity policies, programs, and initiatives. She works to develop and strengthen partnerships with diverse groups to collectively build a strong, inclusive…

Stephanie Gidigbi Jenkins

Director, Policy & Partnerships, People & Communities Program

Stephanie Gidigbi Jenkins champions public policy solutions that promote economic, social, and environmental benefits for communities. She fosters strategic partnerships to advance federal campaigns, coalition efforts, social equity, and climate justice. She also coordinates NRDC's effort in advancing a federal…

Dr. Mark Gold

Director of Water Scarcity Solutions, People & Communities Program

Dr. Mark Gold focuses on building climate resilience through integrated water management solutions for the increasingly arid urban California and the West. From 2019–2022, Gold served as Governor Gavin Newsom's deputy secretary for Oceans and Coastal Policy and executive director…

Laura Goldberg

Midwest Director, Energy Equity and Affordability, People & Communities Program

Laura Goldberg oversees NRDC's Midwest strategy for energy equity and affordability. This includes increasing energy efficiency, clean energy, and equitable climate solutions in affordable housing and underserved communities across the region, especially in low-income communities and communities of color. She…

Eric A. Goldstein

Senior Attorney and Director, New York City Environment, People & Communities Program

More than three decades ago, Eric Goldstein helped create NRDC’s Urban program and spearheaded the nationwide public campaign to get lead out of gasoline. Since then, he has been one of New York’s leading environmental advocates on such issues as…

Ashok Gupta

Senior Energy Economist, Climate & Clean Energy Program

Ashok Gupta focuses on policies relating to global warming, energy efficiency, renewables, sustainable building design, smart growth, and transportation. During former New York mayor Michael Bloomberg’s administration, Gupta served as NRDC’s representative to the Mayor’s Sustainability Advisory Board and Energy…

Irene Gutierrez

Senior Attorney, Nature Program

Irene Gutierrez protects our oceans by promoting sustainable fisheries, fighting illegal fishing practices, preventing dirty energy development, and supporting policies to curb climate change. Prior to joining the Oceans division, she was an attorney on NRDC’s Climate and Clean Energy…

Becky Hammer

Deputy Director, Federal Water Policy; Senior Attorney, Nature Program

Becky Hammer focuses on stormwater runoff, green infrastructure, low-impact development, water-pollution permitting issues, and climate change preparedness. Before joining NRDC in 2009, she interned at the U.S. Environmental Protection Agency. Hammer is a graduate of Harvard College and Harvard Law…