national parks

Litigation & Policy Attorney; FOIA Manager

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.

PETITION | Tell DOI to Rehire Vital National Park Service Employees

by PEER | February 26, 2025
Petition telling the Department of the Interior Secretary Burgum to rehire vital National Park Service employees ...

Letter to Interior Secretary Burgum – National Park Service Probationary Employees

by PEER | February 25, 2025
Letter to Interior Secretary Doug Burgum regarding the firing of National Park Service probationary employees ...

COMMENTARY | Plastics Pollution – Setbacks and Solutions

by Colleen Zimmerman | June 7, 2024
With plastics production on course to triple over the coming decades, immediate efforts are needed to tackle the plastics crisis ...
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