Clay Nesler | Alliance to Save Energy

Clay Nesler


Clay Nesler

Clay Nesler

Former Interim President

Clay Nesler served as the Interim President of the Alliance to Save Energy from November 2019 to January 2021. He currently is Global Lead, Buildings And Energy at the World Resources Institute Ross Center For Sustainable Cities. 

He previously served as Vice President of Global Energy and Sustainability at Johnson Controls, where he was responsible for energy and sustainability policy, programs and strategy. He also led the company’s global environmental sustainability council and was responsible for environmental and sustainability practices across the company’s global manufacturing operations. Since joining Johnson Controls in 1983, Clay held a variety of leadership positions in research, product development, marketing, strategy and corporate sustainability in both the United States and Europe.

Nesler serves on the board of American Council for an Energy Efficient Economy, the executive group of the US DOE/EPA SEE Action network and is a member of the Alliance to Save Energy International Steering Committee. He helped establish the UN Sustainable Energy for All Building Efficiency Accelerator and serves as chair of the Industrial Advisory Board of the US-China Clean Energy Research Center and a member of the International Energy Agency Energy Efficiency Industry Advisory Board.

In 2009, Clay started the Johnson Controls Institute for Building Efficiency which has recently been integrated within the World Resources Institute Ross Center for Sustainable Cities. Clay has previously served as vice-chair of the World Environment Center, the advisory board of the University of Illinois at Urbana-Champaign Department of Mechanical Science and Engineering and as a sustainable buildings track advisor to the Clinton Global Initiative.

Nesler received BS and MS degrees in Mechanical Engineering from the University of Illinois at Urbana-Champaign and is a co-inventor on twelve patents. He is a winner of the 2005 Corenet Global Innovator’s Award, the 2012 VERGE 25 award and received a 2015 Distinguished Alumnus Award from the University of Illinois at Urbana-Champaign Department of Mechanical Science and Engineering.




Help the Alliance advocate for policies to use energy more efficiently – supporting job creation, reduced emissions, and lower costs. Contact your member of Congress.


Energy efficiency is smart, nonpartisan, and practical. So are we. Our strength comes from an unparalleled group of Alliance Associates working collaboratively under the Alliance umbrella to pave the way for energy efficiency gains.


The power of efficiency is in your hands. Supporting the Alliance means supporting a vision for using energy more productively to achieve economic growth, a cleaner environment, and greater energy security, affordability, and reliability.