Joel Dunn, President & CEO

Joel Dunn is president and CEO of Chesapeake Conservancy, a non-profit organization based in Annapolis, MD dedicated to protecting Chesapeake landscapes that are vital to the health of the Bay and its cultural heritage.  With a regional population approaching 18 million and growing and with tens of thousands of acres of open space vanishing each year, the Conservancy strives to restore the health of the Bay and its rivers by preserving working farms and forests and protecting the region’s rich history and character, ensuring a brighter future for the Bay for generations to come. Read More…

Emily MyronJenn Aiosa, Vice President & Director of Programs 

As the Conservancy’s vice president and director of programs, Jenn oversees our work in conservation, outreach, and restoration. She was most recently acting director of operations with the Maryland Department of Planning and was previously the director of policy and research.  At the Environmental Defense Fund, Jenn served as Chesapeake senior conservation manager.  As senior scientist with the Chesapeake Bay Foundation, Jenn was a leader in the Maryland environmental community and advocated for the Chesapeake for 12 years.  She has also worked for the Cooperative Extension at the University of Maryland, the Maryland Coastal Bays National Estuary Program and in the Washington, D.C. office of former Congressman Wayne Gilchrest.

Jenn serves on Bluewater Baltimore’s board of directors and chairs the policy committee. She is also a former board member and active volunteer with Friends of Patterson Park.  Jenn holds a Masters in Environmental Sciences from the University of Virginia where she was a Dean John A. Knauss Policy Fellow, and a Bachelor of Science in Marine Sciences from the University of South Carolina.  Jenn lives in Baltimore with her husband, two dogs and cat. She is a cyclist, urban gardener and college football fan.

Meet the other members of the programs team here.



Sarah ElderSarah Elder, Director of Operations

Sarah brings more than 25 years of leadership and management experience in business, budgeting, strategic planning, staffing, operations, fundraising, marketing, retail/tourism, and communications to the Conservancy. Previously, Sarah guided fundraising and communications efforts for the AUA Foundation, where she worked with national organizations such as the National Football League and Kimberly Clark Corporation. She also has directed fundraising and operational needs for conservation and preservation organizations including the Chesapeake Bay Foundation, Historic Annapolis Foundation, and the National Aquarium.  An Annapolis native, Sarah enjoys exploring the Chesapeake Bay with family and friends, any musical activity, and can be found most weekends upcycling “finds” from estate sales, flea markets, and antique shows.


Colleen Whitlock, Director of Administration

Colleen brings over 10 years of various non-profit experience with her to the Chesapeake Conservancy. Her duties include overall management of the  office, human resources, and financial support. Colleen holds a B.A. in History from Washington College as well as an M.A.T. in Elementary Education from East Tennessee State University.  She lives by the Bay in Shady Side, MD with her husband and young daughter.

Meet the other members of the administration team here.




Jody Hedeman Couser, Director of Communications

A native of Annapolis, Jody oversees the Conservancy’s public and media relations. Previously, Jody was principal of River Bay Communications, LLC and press secretary for a Maryland gubernatorial candidate.  She served on the cabinet for Anne Arundel County Executive Janet S. Owens as director of communications; as public information officer for the American Medical Association (AMA); director of communications and development for the National Association of Police Organizations (NAPO) and as production manager at The Kamber Group. She has a Bachelors of Arts in Political Science from Roanoke College and a Master’s in Political Management from The George Washington University. Jody lives in Annapolis with her husband and two daughters. She enjoys traveling, boating on the Chesapeake Bay, and has a knack for finding arrowheads.

Meet the other members of the communications team here.


Conservation Innovation Center


Jeff AllenbyJeffrey Allenby, Director of Conservation Technology

Jeff is the Director of Conservation Technology at the Chesapeake Conservancy. His team explores new ways to improve the effectiveness and efficiency of the Conservancy’s projects and focuses on developing new ways to empower partner organizations by providing them with innovative ways to access geospatial data and analysis tools that will create beneficial management outcomes. He is currently investigating the use of high-resolution imagery and LIDAR elevation data to map land cover at the large landscape scale and is constructing interactive tools to better target BMP implementation and riparian conservation and restoration projects.

Before joining the Conservancy, Jeff worked with the University of Maryland Center for Environmental Science and the Maryland Department of Natural Resources managing a competitive grant program that provided technical and financial support to local communities to realize and proactively adapt to climate change and coastal hazards. Jeff has a Masters of Environmental Management and Certificate in Geospatial Analysis from Duke University and a Bachelors of Science from the University of Richmond. Jeff enjoys running, mountain biking, and spending time with his wife and two cats.

Meet the other members of the conservation technology team here.




Melissa  Ehrenreich, Director of Development 

As director of development, Melissa leads our fundraising efforts and outreach to foundations, corporations and individuals. She brings years of development and partnership expertise to our team, with a background in conservation. Most recently, Ehrenreich served as the executive director of the D.C. Social Innovation Project, a social enterprise and innovation incubator focused on tackling the root causes of poverty in Washington, D.C. She also served in numerous roles with the Ocean Conservancy from 2006 to 2013, including capital campaign manager, director of program effectiveness, and acting director of the Trash Free Seas initiative. She holds a Bachelor of Science degree from the University of Maryland at College Park and spent her college years researching on the Choptank River. Ehrenreich lives in Greenbelt, MD and enjoys hunting edible mushrooms, native plant gardening, and forest hikes with her husband and three sons.

Meet the other members of the development team here.