David Gaier is a communications professional, former spokesman for NRG Energy and PSEG Long Island, and consultant to renewable energy PR and communications agency Mahoney Communications in Manhattan. His career includes crisis communications, media relations, and public affairs, and includes significant industry experience in energy/renewables, the energy transition, as well as professional services, commercial and military aviation, and B2B technology. He previously served in the US Marine Corps, and as a Special Agent with the US Department of State's Bureau of Diplomatic Security.Â