At ERS, energy efficiency is our passion. We started this business as a way to make a difference, and today we use our experience as thinkers and doers to make a difference leading our clients toward sustainable practices.

Gary Epstein
President
Mark D’Antonio
Senior Vice President
Brian McCowan
Senior Vice President
Bruce Harrington
Vice President
Sue Haselhorst
Vice President
Jon Maxwell
Vice President
Jeff Perkins
Vice President
Mary McElhiney
Vice President
David Reynolds
David Reynolds
Regional Director
George Zúñiga
Regional Director
Lucy Neiman
Senior Director
Satyen Moray
Director