Our Experts

Kathy Harris

Director, Clean Vehicles, Climate & Energy

David Hawkins

Senior Attorney, Climate & Energy

Samantha Henningson

Senior Transportation Advocate, Climate & Energy

Carolina Herrera

Senior Director, Strategy, Planning & Operations, International

Alex Hillbrand

Senior Director, Industry, Climate & Energy

Mima Holt

Global Coordinator, International

Darby Hoover

Senior Resource Specialist, Environmental Health & Nature

Cullen Howe

Senior Advocate, Sustainable FERC Project, Climate & Energy

Dr. Brandon Hunter

Community Scientist, Environment, Equity & Justice Center

Mark Izeman

Senior Strategist, Environmental Health

Dr. Vyoma Jha

India Clean Energy Senior Advocate, International

Jessica Jinn

City Equity Advocate, Environment, Equity & Justice Center

Allison Johnson

Senior Attorney, Nature

Morgan Johnson

Senior Staff Attorney, Climate & Energy

Dr. Sabrina Johnson

Director, Community of Practice, Climate & Energy

Erik Kamrath

Hydrogen Advocate, Climate & Energy

Matthew Kaplan

Senior Attorney, Nature

Dr. Richie Kaur

Senior Super Pollutant Reduction Advocate, Climate & Energy

Madeline Keating

Senior Advocate, Nature

Olivia Keck

Senior Program Legal Coordinator, Climate & Energy, Environmental Health