Riverkeepers

Mark Frondorf

Mark Frondorf

571.969.0746

Mark joined Potomac Riverkeeper Network in 2015 as the official Shenandoah Riverkeeper. Having guided on the Shenandoah and Potomac for almost twenty years, Mark Frondorf comes to the Shenandoah…

Dean Naujoks

Dean Naujoks

202.556.2926

Dean Naujoks joined Potomac Riverkeeper Network in 2015 as the Potomac Riverkeeper.
Dean Naujoks has over 20 years of environmental non-profit experience. He began his non-profit career in 1991 with…

Brent Walls

Brent Walls

240.336.8013

Shortly after joining Potomac Riverkeeper, Inc. in 2009, Brent Walls now works as the Upper Potomac Riverkeeper and is responsible for defending the public trust of the rivers and…