Sarah Charlop-Powers is the co-founder and executive director of the Natural Areas Conservancy (NAC), a nonprofit dedicated to managing New York City’s 20,000 acres of forests and wetlands. The NAC is a pioneer in the field of urban conservation, using data and science to develop new ways to manage urban natural areas so that they provide recreation opportunities for diverse users, protect biodiversity, and provide environmental benefits. Sarah has a BA in Economics from Binghamton University and an MEM from the Yale School of Forestry.

Georgia Silvera-Seamans lives and breathes city trees–with field experience in New Haven, Boston, Oakland, and NYC, and a dissertation about urban forestry policy in Northern California cities. Georgia’s research has been published in Urban Forestry & Urban Greening and Arboriculture & Urban Forestry. She is the founder of Local Nature Lab and directs Washington Square Park Eco Projects where she designs urban ecology programs for New Yorkers of all ages. Georgia also writes about trees with bylines in City Trees and about birds with articles at Popular Science and Audubon.