Staff

Executive Director - vacant

GVC is actively seeking our next Executive Director. Our Executive Director Search Committee is accepting applications through Friday, March 25, 2022.

Don Callihan, Interim Director & Vice President
Don Callihan is a clinical microbiologist and retired Staff Scientist from BD Diagnostics in Sparks, MD. Since retirement he has become a Maryland Master Naturalist and joined the GVC board (2019). He serves on the Baltimore Area Council, BSA, Conservation Committee in various capacities teaching conservation and ecology to Scouting youth and adults and is the Council Outdoor Ethics Advocate. Don is an active member of the Maryland Invasive Species Council and of the Lake Roland Nature Council’s Environmental and Historic Preservation Committee. Don lives in Cockeysville above the Loch Raven Reservoir and is committed to the health of the forest in watersheds feeding this important regional source of drinking water for Baltimore City and County as well as its significant recreation potential.
Patricia Ceglia, Landscape Designer, Clear Creeks Project
Patricia assists homeowners in designing and installing stormwater-absorbing Edible and Native Bayscapes. She is an ecological site planner, architect, educator, and life-long organic gardener, with an architectural degree from Pratt Institute. In recent years, Patricia has transferred her design skills from 30 years of conventional architectural practice to functional landscape design and sustainable building. She designs rain-scapes and residential architecture for private clients and teaches Permaculture Design, an ecological design method, independently.
Darcy Herman, Program Manager
After having spent several childhood vacations on the Eastern Shore, Darcy moved to Maryland in 1994 to go to school and expand and indulge her love of the Chesapeake Bay region. Darcy has worked for several federal government contractors as a technical writer, editor, and proposal developer and more recently as a naturalist at Jug Bay Wetlands Sanctuary, and she now serves on the board of the Friends of Jug Bay. Among Darcy’s passions are citizen science, entomology, and birding. Darcy earned bachelor's degrees in zoology and English from Michigan State University and a master's in professional writing from Towson University.
Jack Leonard, Landscape Architect
Jack is an Assistant Professor of Landscape Architecture and director of the online graduate certificate program in Sustainable Urban Communities at Morgan State University (MSU). A registered landscape architect and LEED accredited professional, Jack is founder and principal of JGL Design Associates, Monkton, Maryland. He holds a Bachelor in Civil Engineering from Stevens Institute of Technology, a Master in Business Administration from Loyola College of Maryland, and a Master of Landscape Architecture from Morgan State University. Jack has worked with GVC for 10+ years designing rain gardens and microbioretention practices for our Clear Creeks Project. He also mentors MSU graduate students who gain hands-on experience creating rain gardens through a partnership between MSU and GVC.
Peg Perry, Education and Restoration Program Director
Peg Perry, Program Director of Education and Restoration
With nearly two decades of experience directing environmental education programs for governmental and various educational organizations, Peg joined the Gunpowder Valley Conservancy in 2007 and has used her background in natural history, eco-psychology, and deep ecology to fulfill her life’s work: inspiring people of all ages to reconnect to our natural world as well as to restore, preserve, and protect it.  She loves greeting the morning sun, sitting silently in nature, and hiking in the mountains.
Karen Stupski, Grant Writer
Karen Stupski, Program Manager; Grants Manager
Karen is a sustainability educator, grant writer, and communitarian. She currently serves as a faculty member at Goddard College and lives at Heathcote Community, a small eco-village dedicated to sustainable living, where she coordinates the permaculture education program. Karen believes that permaculture design is a valuable tool for creating sustainable systems, which is necessary in order to achieve our goal of protecting and restoring the Gunpowder watershed and the Chesapeake Bay.
Kim Thomas, Program Coordinator
Kim graduated from Towson University in 2019 with a B.S. in Environmental Science & Studies, with a concentration in Environmental Policy and Management. Growing up in the Hereford zone, she enjoyed exploring the Gunpowder River from a young age and was always out in the woods or playing in its waters. When she is not planting or maintaining trees with the GVC, Kim spends time outdoors hiking local trails with her fiance, and tending to the plants and animals that they have on their farm. She looks forward to working with GVC, and helping to make a positive difference in our watershed while sharing her passion for protecting the outdoors with our volunteers.
Amy Young, Communications Manager
After spending many years traveling across the country as a field ecologist, Amy is happy to call Maryland home.  She has worked in a variety of habitats and plant communities: desert, mountain, prairie, wetland, rainforest, coastal dunes, and Fall Line Sandhills.  Her projects have been similarly diverse, including monitoring forest regeneration after a wildfire, studying the reproductive biology of an endangered plant, mapping historical changes in a large wetland complex, and collecting native wildflower seeds for use in large-scale restoration projects.  Amy earned a B.A. in Biology with an Environmental Studies concentration from Swarthmore College, and a M.S. in Plant Biology from University of Georgia.  She serves on the Board of The Natural History Society of Maryland.  She loves discovering the natural and cultural features of new places, and hopes to instill a similar curiosity in her two young sons.