One team for one watershed.


A dedicated staff of water lovers serving six million residents of DC, Maryland, Virginia, and West Virginia.

Staff

Nancy Stoner

202-888-2037

  Nancy Stoner is president of Potomac Riverkeeper Network.  One of the nation’s most experienced water policy experts, Nancy has a rich and distinguished background in protecting our nation’s water. Nancy… Read more
Phillip Musegaas

Phillip Musegaas

202.888.4929

Prior to joining Potomac Riverkeeper Network, Phillip was the Hudson River Program Director at Riverkeeper in New York for nearly ten years, leading efforts to reduce sewage pollution, clean… Read more

Emily Franc

(c) 202.579.6191

Emily Franc comes to Potomac Riverkeeper Network with extensive experience and background in environmental research, policy, fundraising and advocacy accumulated through years spent working on Capitol Hill for a… Read more
annie-bronez

Annie Bronez

Annie is the Potomac Riverkeeper Network Program Assistant, providing operational and programmatic support. As a passionate outdoor enthusiast, she enjoys playing outside and connecting others with nature. Prior to… Read more
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… Read more
Alan Lehman

Alan Lehman

Alan Lehman is the Agricultural Project Manager for Shenandoah Riverkeeper, under Potomac Riverkeeper Network. Since 2009, Alan has been identifying and documenting farming practices that appear to be contributing… Read more
DEAN NAUJOKS

Dean Naujoks

202.871.8289

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… Read more
Brent Walls

Brent Walls

443.480.8970

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… Read more
Jeff Kelble

Jeff Kelble

202.888.3775

Jeff Kelble stepped out of his fishing guide raft and into conservation work in 2005 when he started and became the Shenandoah Riverkeeper.  Before he became Shenandoah Riverkeeper, he… Read more