Skip to main content

Colin O’Brien

Staff Attorney

Colin C. O'Brien joined the California regional office in 2015, having previously also worked in the Alaska and Northern Rockies regional offices.

Prior to his return to Earthjustice, Colin worked for four years as an associate in the Environmental Practice Group at the New York office of Sidley Austin LLP, and then for four years as a staff attorney for the Natural Resources Defense Council’s “Clean Air Project” in Washington, D.C. He also served as a law clerk for the Honorable Richard J. Cardamone of the U.S. Court of Appeals, Second Circuit.

Colin received a bachelor's degree in political science summa cum laude from The Ohio State University. He is also a graduate of Yale Law School (J.D.) and the Yale School of Forestry and Environmental Studies (Master of Environmental Management).

Colin was recognized as the 2013 “Conservationist of the Year” by the Northern Alaska Environmental Center for his work to protect air quality in the Arctic and in Fairbanks, Alaska. He has also successfully litigated to protect endangered Steller sea lions and the rich ocean ecosystem of the North Pacific.

About Earthjustice

Earthjustice is the premier nonprofit environmental law organization. We wield the power of law and the strength of partnership to protect people’s health, to preserve magnificent places and wildlife, to advance clean energy, and to combat climate change. We are here because the earth needs a good lawyer.