Meet Your Clean Water Team


Hedrick Belin, President

As President, Hedrick provides strategic direction to Potomac Conservancy as it fights to improve the Potomac River and its surrounding lands through conservation and advocacy. Under his leadership, the Conservancy has launched several successful initiatives to promote river-friendly land use and to expand the base of volunteers actively engaged in the stewardship of our local green spaces.

He comes to the Conservancy with over 15 years of nonprofit fundraising and leadership experience, most recently as Vice President of the Metropolitan Group, a strategic communication and resource development consulting firm. Before joining the Metropolitan Group, Hedrick worked for several conservation groups, including the National Park Foundation, Izaak Walton League of America, and the League of Conservation Voters. In addition, Hedrick has experience mobilizing grassroots advocates, formulating public policy, partnering with public agencies and developing conservation programs.

Hedrick received his bachelor's degree in history from Yale University, and his master's in public administration from George Washington University. He lives with his wife and two children in Silver Spring, Maryland.

Katie Blackman, Director of Community Conservation

Katie joined the Conservancy in April 2015. She directs Potomac Conservancy’s public engagement efforts, leading grassroots outreach activities and campaigns. Katie comes to Potomac Conservancy with a background in volunteer engagement. She’s managed volunteer programs for local animal welfare and environmental nonprofits. She is also the founder of the Capital MOVE (Managers Of Volunteers for the Environment), a group of professionals who work with outdoor volunteers in the DC metro region. Katie has a BA from UMBC in history and elementary education and a master’s degree from King’s College of London. Her thesis, “Conservation and community: The impacts of volunteer ecotourism from a local perspective,” was awarded the 2012 Best Thesis Award. Katie lives with her husband in Boyds, Maryland. In her free time, she enjoys cooking and swimming and is itching to get her canoe up to snuff and out on the river!


Alicia Crawford, Communications Manager

Alicia joined the Conservancy in March 2015. As Communications Manager, Alicia shares Potomac Conservancy’s clean water mission with our friends, supporters, and volunteers through the organization’s blog, publications, and social media channels. Alicia comes to Potomac Conservancy with a passion for writing. She has previously worked as an editor for University of Maryland’s National Foreign Language Center and a reporter for USA Today and Frederick News-Post. Alicia graduated from the University of Maryland with degrees in journalism and history. Alicia’s deep commitment to improving local water quality stems from her childhood summers spent along the Susquehanna River. Alicia and her family enjoyed swimming, fishing, and playing along the shorelines — outdoor activities that are now threatened from pollution. In her free time, Alicia loves to travel, go on long walks, and attempt to read good books. She lives in Old Town Alexandria with her husband.


Melissa Diemand, Senior Director of Communications

Melissa joined the Conservancy in September 2010. She directs the Conservancy’s communications. Melissa is excited to share the story of Potomac Conservancy and our clean water successes through our website, online channels, print publications, and reports. She previously managed foundation and government giving at the Conservancy as the Director of Grants.

Melissa comes to the Conservancy with a background in political polling and project management, and has helped to elect individuals with progressive environmental values to state and federal offices. Melissa earned a BA in political science and a minor in international studies from the American University in Washington, DC.  In her free time, she loves exploring the outdoors and finding new areas in the Potomac Basin to hike, bike, and paddle.

Lindsay Hollingsworth, Development Associate

Lindsay joined Team Potomac in April 2016, after completing seasonal work and internships with the Conservancy. As Development Associate, Lindsay assists the Conservancy’s development team and works one-on-one with individual supporters. She also serves as liaison to the Conservancy’s Board of Directors and provides database, operational, and event support.
Lindsay has previously worked in environmental education and engagement, as well as nonprofit fundraising and supporter outreach. She earned her bachelor’s degree from St. Mary’s College of Maryland, majoring in English and minoring in biology, with a particular focus on nature writing. Lindsay has a special place in her heart for rivers and streams, having spent most of her childhood knee-deep in a North Carolina creek. Most of her free time is spent writing, reading, or exploring the outdoors.


Tracy Lind, Director of Land Protection

As the Director of Land Protection, Tracy raises community awareness and empowers people to conserve their private lands through conservation easements. Tracy leads our Shenandoah Valley Conservation Initiative and works one-on-one with private landowners to uphold the integrity of our conservation easements. She was previously the Stewardship Coordinator of Lower Shore Land Trust and interned as a Back-Country Ranger for Wrangell-St. Elias National Park, Alaska. She has a bachelor's degree in environmental studies with a minor in biology and has experience in land conservation, habitat restoration, wildlife monitoring, and environmental education and outreach..


Rebecca Luib, Director of Development Operations

Rebecca joined the Conservancy in September 2012. As the Director of Development Operations, Rebecca works closely with the Conservancy's major corporate, foundation, and government supporters, authors proposals and explores new partnership opportunities. She comes to the Conservancy with over 10 years experience in foundation grant and program management. Rebecca earned a BA in history from Middlebury College and an MBA from NYU Stern School of Business. She lives with her husband and two children in Chevy Chase, MD.


Mary Vasse, Director of Development

As Director of Development, Mary works closely with Potomac Conservancy’s impassioned individual donors, connecting them with the work of protecting and promoting the Potomac River. She is building an energized, philanthropic base of supporters throughout the Potomac region. Mary comes to Potomac Conservancy after four years with the Anacostia Watershed Society, where as director of development she oversaw fundraising and worked with individual and corporate supporters in this prominent tributary of the Potomac River. She has fifteen years of experience in environmental conservation, fundraising, and grant making on the East and West coasts. Previous roles included program director of the National Forest Foundation and Sustainable Northwest. Mary earned her bachelor’s degree from Hobart & Williams Smith Colleges and her master’s in regional/environmental planning at the University of Pennsylvania. She lives in Silver Spring, Maryland with her husband and two children.

Caitlin Wall, MD/DC Policy Director

Caitlin joined the Conservancy in April 2016 as director of the Conservancy’s policy efforts in Maryland and the District of Columbia. She previously worked at Marstel-Day, LLC, leading policy efforts to develop compatible use partnerships between military installations and communities. Caitlin earned a BA from the College of William and Mary in public policy and environmental studies and an MA from Colorado State University in political science. She serves as a mentor in the Big Brothers Big Sisters program and a Senior Fellow in the Environmental Leadership Program, and enjoys hiking, camping, yoga, and triathlons.

Emily Warner, Senior Director of Land Conservation

Emily oversees the Conservancy’s land protection and restoration programs. A member of our land protection team from March 2009 through July 2013, she happily re-joined the Conservancy in January 2016. She has also worked for The Nature Conservancy, Chesapeake Bay Foundation, Western Pennsylvania Conservancy, and Hampshire County Farmland Protection Board. Emily also has experience with high altitude environments, vegetation monitoring, plant identification, and editing/proofreading. She is attempting to be proficient in Spanish.

Emily holds a bachelor's degree in environmental studies from Allegheny College and a master’s in natural resources stewardship from Colorado State University (with an ecological restoration specialization). She’s a West Virginia native and loves mountains anywhere. When not conserving land and rivers, Emily spends her time enjoying them. She does much trail running but also enjoys hiking, camping, kayaking, and gardening.