DOI

Staff Counsel

Prior to joining PEER, Colleen was an Assistant District Attorney for the Suffolk County District Attorney’s Office in New York. She has also worked, clerked, and interned for multiple government agencies and non-profits, including the United States Department of Justice, the Office of the New York State Attorney General, the Natural Resources Defense Council, and Defenders of Wildlife. Colleen also volunteered as a Park Interpreter with the National Park Service at Theodore Roosevelt Island in Washington, DC. Colleen received her law degree from Georgetown University Law Center, where she was the Vice President of the Environmental Law Society and Senior Notes Editor for the Georgetown Journal of Gender and the Law. She received her bachelor’s degree summa cum laude in International Affairs from The George Washington University’s Elliott School of International Affairs. Colleen enjoys backpacking and camping trips, playing board games, and reading mystery novels.

Anonymous Activism and Whistleblowing in the Age of Trump

by Colleen Zimmerman | January 24, 2025
PEER anticipates a flood of requests for our legal services during Trump 2.0. Here's an overview of our approach to anonymous activism and whistleblowing ...

Three Things You May Have Missed About Project 2025

by Tim Whitehouse | January 22, 2025
With the election behind him, Trump is now embracing the people and ideas behind Project 2025, a conservative plan to radically remake the federal government ...

COMMENTARY | The Federal Workforce Isn’t So Bloated

by Tim Whitehouse | December 6, 2024
In a climate where the size of government can trigger political outrage, it is essential to note that many agencies PEER works with are well-liked by the public and do important work with fewer resources ...

Interior’s Stealth Scientific Integrity Policy Slithers Out

by PEER | September 3, 2024
Agency Will Self-Police Alleged Political Manipulation of Science in Secret ...

Petition to DOI – TAPS Supplemental Environmental Impact Statement – 06-12-2024 (PDF)

by PEER | June 12, 2024
Petition to complete a supplemental environmental Impact statement for the trans-alaska pipeline system & plan for dismantlement, removal, & restoration ...