David Nemtzow is the Building Technologies Office Director of the Office of Energy Efficiency and Renewable Energy (EERE). He previously served as the team's senior strategist.

David brings to EERE more than three decades of experience in the industry, including running a large state government energy and water department, a prominent bipartisan nonprofit energy efficiency association, and an energy consulting practice.

Before serving in his current role, he was director-general (CEO) of the Department of Energy, Utilities, and Sustainability for New South Wales―Australia's most populous state―where he played a central role in the state's electricity, greenhouse, energy, and water strategies and policies.

He also served as president of the Alliance to Save Energy, a Washington, D.C.-based association of industry, government, utility, consumer, and environmental executives that promotes invest­ment in energy efficiency. In addition, he has been a member of the executive committee of a distributed energy storage startup company, an independent energy consultant, and a senior congressional energy staff member.

David has served on numerous governmental advisory committees and the boards of energy associations and organizations. He has published and speaks regularly in the field.

He earned a master's degree from Harvard University in public policy and a bachelor's from Brown University in environmental policy.