EPA Region 9 (Pacific Southwest)

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

Introducing Regional Administrator Josh F.W. Cook

EPA Administrator Lee Zeldin announced that President Donald J. Trump appointed Josh F.W. Cook as EPA’s Pacific Southwest (Region 9) Regional Administrator. Regional Administrator Cook will have stewardship to implement and enforce federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

Before joining EPA, Regional Administrator Cook was an Advisor to the Tribal Council of the Mooretown Rancheria of Concow Maidu Indians, where he designed a decades-long large-scale forest resiliency initiative through government-to-government agreements with Tribes, National Parks, and multiple U.S. Forests in California and Nevada.

Previously, Regional Administrator Cook served as Chief of Staff to the Minority Caucus in the California Legislature. His previous environmental service includes appointments to the U.S. Department of Agriculture and Department of Interior Resource Advisory Councils and tenure as a City Planning Commissioner.