With over 20 years of experience in water resources management and environmental planning, Seung Ah Byun, PhD, PE, is the Executive Director of the Chester County Water Resources Authority. Prior to Chester County, Seung Ah was a Water Resource Engineer with the Delaware River Basin Commission and the Senior Planner for Water Resources with the Brandywine Conservancy’s Municipal Assistance Program. Seung Ah’s experience spans a range of sectors – government, nonprofit, private consulting, and academia-and her work has included areas such as source water protection, modeling wastewater collection systems, stormwater management and land use conservation and protection.