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Colleen Zimmerman is an attorney with Public Employees for Environmental Responsibility in Silver Spring, Maryland, where she supports the organization’s advocacy on behalf of public employees and the protection of the environment. With a practice focused on general practice matters, Ms. Zimmerman brings a thoughtful, detail-oriented approach to her work, helping clients navigate a range of legal issues with professionalism and care. Her work reflects a strong commitment to public service and to advancing the interests of those dedicated to environmental stewardship and accountability. Based in Silver Spring, MD, Ms. Zimmerman is known for her clear communication, practical problem-solving, and client-focused approach. She understands that legal matters can be complex and often time-sensitive, and she strives to provide guidance that is both strategic and responsive to client needs. Whether addressing organizational concerns or supporting broader environmental advocacy efforts, she works diligently to help ensure each matter receives careful attention. Ms. Zimmerman is admitted to practice in Maryland under Bar Number 5761697. Through her role at Public Employees for Environmental Responsibility, she remains committed to serving clients and advancing important public-interest goals with integrity, diligence, and a strong sense of purpose.