Public Health

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.

COMMENTARY | Public Health Scientist Vindicated

by Colleen Zimmerman | March 7, 2023
Even though Dr. Carpenter's case has been resolved, we hope the University at Albany will address the broader academic freedom issues that this case has opened ...

Scientific Basis for EPA’s Definition of PFAS Still Missing

by PEER | March 1, 2023
Europe and Canada Embrace Inclusive PFAS Definitions While U.S. Dithers ...

Broadly Supported Petition Urges EPA Reforms for Bee and Bird-Killing Pesticides

by PEER | February 22, 2023
Neonicotinoid insecticides targeted for wreaking eco-havoc despite lack of economic benefits ...

PEERMail | Jumping the Gun in East Palestine

by PEER | February 21, 2023
The explosion of a train carrying toxic chemicals in East Palestine, Ohio, reminds us of the government’s premature rush to return to an air of normalcy after such a disaster ...

COMMENTARY | EPA Asks for Comment on PFAS Data It Won’t Release

by Kyla Bennett | February 20, 2023
EPA is asking the public to comment on fluorination of plastics but keeping important materials, including health studies, confidential ...