Nilda Mesa
NYC Mayor’s Office of Sustainability

Nilda Mesa is Director of the NYC Mayor's Office of Sustainability. Prior to joining the de Blasio administration, Mesa worked at Columbia University in several roles, including as the Assistant Vice President of Environmental Stewardship, Adjunct Professor at the School of International and Public Affairs, and as the Associate Dean of Administrative Affairs at the Graduate School of Journalism. Previously, Mesa served in the Clinton Administration in key environmental policy roles at the White House Council on Environmental Quality, and in the US Air Force. She also served at the U.S. Environmental Protection Agency as Counsel to the NAFTA Taskforce, where she led U.S. legal negotiations with Canada and Mexico, and implemented legislation related to trade and the environment. Mesa began her career at the California Attorney General's Office, enforcing toxic waste and natural resources laws. She is a graduate of Harvard Law School and Northwestern University.