By Southwester Staff

The Anacostia Watershed Society (AWS) has tapped an international conservation leader as their new President and CEO, appointing Christopher E. Williams after an extensive national search. Williams most recently served as the Senior Vice President for Conservation at American Rivers. He previously held senior leadership roles at World Wildlife Fund and began his career at the National Wildlife Federation as a legislative advocate.

“With a broad national and international perspective on river restoration best practices, Chris will build on our growth and propel us to our goal of a fishable and swimmable Anacostia River,” said Neil Lang, Chair of the AWS Board of Directors.

Williams has lived in the DC region for almost 30 years, most recently in the Anacostia watershed, where he enjoys paddling the river and exploring the bike trails connecting Montgomery County, Prince George’s County, and the District. With Williams in his new role, Erin Borgeson Castelli, Interim President and CEO, will return to her role as Senior Vice President/Chief Operating Officer.

The Anacostia Watershed Society is a nonprofit organization founded in 1989 and headquartered in Bladensburg, MD. It offers a variety of programs designed to protect and restore the river. In order to pursue this goal, AWS works to stop pollution now, restore the river’s natural systems and rebuild the community’s relationship to the river. More information can be found at

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