This page features biographies for the members of the Office of Energy Efficiency and Renewable Energy (EERE) management. For more information, see the EERE organization chart.
Executive Leadership
Daniel R Simmons
Assistant Secretary
Daniel Simmons leads and directs EERE's work to advance the organization's mission.
Vacant
Principal Deputy Assistant Secretary
This position supports EERE's Assistant Secretary in leading the organization.
Zachery Michael
Chief of Staff
Zachery leads strategic planning, policy, and communications, supporting the Assistant Secretary in advancing the mission of the office.
Michael Berube
Deputy Assistant Secretary for Transportation (Acting)
Michael Berube oversees EERE’s Sustainable Transportation sector. This portfolio focuses on research and development to increase access to domestic, clean transportation fuels and improve the energy efficiency, convenience, and affordability of transporting people and goods.
David Solan
Deputy Assistant Secretary for Renewable Power
David Solan directs EERE's renewable energy applied research, development, and demonstration activities for the geothermal, solar energy, and wind and water power technology offices. In addition, he oversees EERE's energy system integration efforts.
Vacant
Deputy Assistant Secretary for Energy Efficiency
The DAS-EE leads a diverse energy efficiency program and R&D portfolio that includes advanced manufacturing, building technologies, federal energy management, low-income weatherization, and intergovernmental partnerships.
Vacant
Deputy Assistant Secretary for Operations
The DAS-O directs EERE's business operations, including business services management, budget, IT, knowledge management services, and workforce management. In addition, the DAS-O oversees the Golden Field Office in Golden, Colorado and leads strategic initiatives to improve the way EERE conducts its daily operations.
Technology Sector Leaders
Sustainable Transportation
David Howell
Vehicle Technologies Office Director (Acting)
David Howell leads initiatives and programs that help reduce America's dependence on foreign oil and secure a clean energy future. The Vehicle Technologies Office supports research for hybrid drivetrains, advanced batteries, lightweight materials, advanced combustion and fuels, vehicle systems integration, and Clean Cities deployment activities.
Sunita Satyapal
Hydrogen and Fuel Cell Technologies Office Director
Sunita Satyapal leads the Office's overall strategy and execution, including oversight and coordination of about $150 million in research, development, demonstration, and deployment activities related to hydrogen and fuel cells.
Michael Berube
Bioenergy Technologies Office Director (Acting)
As Acting Director, Michael Berube leads the Office's overall strategic, technical, and project oversight of efforts to improve performance, lower costs, and accelerate market entry of advanced biofuels and bioproducts, which can help reduce America's imports of oil while enabling a new industry with an improved environmental impact.
Renewable Electricity Generation/Renewable Power
Becca Jones-Albertus
Solar Energy Technologies Office Director
Becca Jones-Albertus leads a team that supports early-stage research and development in the technology areas of photovoltaics, concentrating solar-thermal power, and systems integration with the goal of improving the affordability, reliability, and performance of solar technologies on the grid.
Bob Marlay
Wind Energy Technologies Office Director
Bob leads the Wind Energy Technologies Office to improve performance, lower costs, and accelerate deployment of wind technologies.
Susan Hamm
Geothermal Technologies Office Director
Susan Hamm leads the Office's overall strategic, technical, and project oversight of cutting-edge technologies designed to advance geothermal as a key contributor to the U.S. energy portfolio. She partners with industry, academia, and DOE's national laboratories to establish geothermal energy as an economically competitive and widely available component of the U.S. energy supply.
Alejandro Moreno
Water Power Technologies Office Director
Alejandro Moreno manages efforts to improve performance, lower costs, and accelerate deployment of water power technologies.
Energy Efficient Homes, Buildings, and Manufacturing
David Nemtzow
Building Technologies Office Director
David Nemtzow leads the Building Technologies Office to create a self-sustaining market for building energy efficiency, including advancing technologies, promoting highly efficient buildings and homes, and accelerating the adoption of building codes and equipment standards.
Valri Lightner
Advanced Manufacturing Office Director (Acting)
Valri Lightner leads the Office in creating a fertile innovation environment for advanced manufacturing, enabling vigorous domestic development of new energy-efficient manufacturing processes and materials technologies to reduce the energy intensity and life-cycle energy consumption of manufactured products.
Leslie Nicholls
Federal Energy Management Program Office Director
Leslie Nicholls oversees the implementation of policy and actions that result in energy efficiency implementation, renewable energy adoption, and reduction in energy and water use in federal government operations.
Anna Garcia
Weatherization and Intergovernmental Programs Office Director
Anna Garcia provides leadership to maximize the benefits of energy efficiency and renewable energy through technology deployment, accessing new partnerships and resources, and communications and outreach activities.
Business Operations
Derek Passarelli
Golden Field Office Director
Derek Passarelli leads EERE staff in Golden, Colorado, in moving forward a low-carbon, energy-secure economy. He oversees EERE's Golden Field Office operations and support functions, as well as the management and operating contract with the National Renewable Energy Laboratory.
Sabrina Campbell
Budget Director (Acting)
As acting Budget Director for EERE, Sabrina oversees all phases of EERE budget planning, formulation, and execution activities.
Christy Cooper
Business Services Management Director (OBSM) (Acting)
Christy oversees EERE’s IT Services Office, Knowledge Management and Systems Office, and Workforce Management Office, as well as EERE's Business Administration Team, which leads headquarters audit coordination, internal controls, conference management, and controlled correspondence and Congressional Report activities.