Kerin Lester is the Program Manager for the Metropolitan Atlanta Rapid Transit Authority (MARTA) ISO 14001:2015 Environmental Management System, leading three Bus maintenance, three Heavy Rail maintenance, one Light Rail maintenance, and two Ancillary facilities to ISO 14001 certification over the last four years. Kerin holds a BS degree in Computer and Electrical Engineering and since joining MARTA in 2012, earned her PMP certification. Kerin was selected in 2019 to be the first Chair of the EMS Working Group within APTA’s Sustainability Committee, where she is driving initiatives that bring together transportation agencies across North America to share experiences and knowledge to improve environmental programs in our respective transit agencies.