Warren Liebold was the Director of Universal Metering, and before that, Water Conservation, for the New York City Department of Environmental Protection (DEP) from 1993-2019. From 2007-2012 he was Project Manager for DEP’s Automated Meter Reading Project for which his team won an “Excellence in Technology Award” in 2009 from the New York Technology Forum. He also designed and managed the city’s Toilet Rebate Program (1994-1997) the nation’s single largest municipal water conservation program. He served on the Mayor’s Sustainability and Green Codes Task Forces (1995-2010) and was a member of NYC DEP’s Drought Variance Board in 2003.

Before joining DEP in 1992 he worked for twelve years for Goldman Copeland Associates, P.C. performing energy efficiency work in non-residential and multifamily residential buildings. He also served as a technical advisor to NGO’s in New York State Public Service Commission and State Energy Master Plan proceedings during the 1980’s and early 1990’s.