One team for one watershed.

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

Staff

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…

Alan Lehman

Alan Lehman

540.459.5743

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…

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…

Maria Barry

Maria Barry

202.888.3991

Maria is the Vice-President of External Affairs at Potomac Riverkeeper Network. Maria works to identify and secure financial support from members, individuals, corporations and foundations to maintain and grow…

Nathan Ackerman

Nathan Ackerman

202.888.3815

Nathan Ackerman joined Potomac Riverkeeper Network’s staff in 2017 as Director of Communications. Nathan leads PRKN’s communications, media and outreach efforts to support our Riverkeepers’ advocacy and legal initiatives…

Elise Wirkus

202.888.4963

Elise joined Potomac Riverkeeper Network staff in 2017 as our Development & Membership Associate. Prior to working in DC for a consulting group, she worked in her home state of…