This page features biographies for senior management of the Office of Energy Efficiency and Renewable Energy (EERE). For information on EERE's structure, see the EERE organization chart.

Executive Leadership

Assistant Secretary (Vacant)

Kelly Speakes-Backman
Principal Deputy Assistant Secretary

Kelly Speakes-Backman leads and directs the Office of Energy Efficiency and Renewable Energy, focused on creating and sustaining American leadership in the transition to a global clean energy economy. She oversees the planning and execution of the organization’s $2.8B portfolio of research, development, demonstration, and deployment activities.

Shara Mohtadi
Chief of Staff

Shara Mohtadi supports the Assistant Secretary in advancing the office mission by enabling a high-performing, results-driven culture through effective management approaches and processes.

Matthew (Matt) Dannenberg
Deputy Chief of Staff

Matt Dannenberg supports the Chief of Staff in fostering an equitable, collaborative, and action-oriented culture to advance the office mission.

Vanessa Grisko
Senior Advisor

Vanessa Grisko supports the Principal Deputy Assistant Secretary on a variety of policy issues and special projects.

Ashley Armstrong
Senior Advisor

Ashley Armstrong provides oversight to DOE's Appliance Standards Program, appliance equipment testing, and DOE's work on energy efficiency and clean energy use related to the built environment.

Rob Sandoli
Senior Advisor

Rob Sandoli guides EERE's international activities and assists the leadership team in advancing EERE's priorities.

Michael Berube
Deputy Assistant Secretary for Sustainable Transportation
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.

Alejandro Moreno
Deputy Assistant Secretary for Renewable Power

Alejandro Moreno 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.

Dr. Carolyn Snyder
Deputy Assistant Secretary for Energy Efficiency
Carolyn Snyder 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.

Shari Davenport
Deputy Assistant Secretary for Operations 

Shari Davenport directs EERE's business operations, including business services management, budget, IT, knowledge management services, and workforce management. 



Sarah Garman
Analysis Director

Sarah Garman oversees EERE's analysis activities that demonstrate the value of EERE's work on behalf of the U.S. and its taxpayers.

Monica Sanchez
External Affairs Director

Monica Sanchez oversees EERE's Office of External Affairs, including Communications, Stakeholder Engagement, and Legislative Affairs.

Liz Orwig
Communications Director

Liz Orwig supports the Assistant Secretary in leading EERE’s communications team to help deliver clear, audience-focused messaging across platforms to highlight EERE’s work to advance clean energy technologies and combat climate change.

Kayt Wahlert
Legislative Director

Kayt Wahlert leads EERE’s legislative team to support the Assistant Secretary with Congressional guidance.

Technology Sector Leaders


Garrett Nilsen
Solar Energy Technologies Office Director (Acting)
Garrett Nilsen 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.

Dr. 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.

Dr. 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.

Jennifer Garson
Water Power Technologies Office Director (Acting)
Jennifer Garson manages efforts to improve performance, lower costs, and accelerate deployment of water power technologies.


David Howell
Vehicle Technologies Office Director

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.

Dr. 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.

Dr. Valerie Reed
Bioenergy Technologies Office Director (Acting)

Valerie Reed 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.

Energy Efficient Homes, Buildings, and Manufacturing (CAROLYN SNYDER, DEPUTY ASSISTANT SECRETARY)

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. 

Dr. Becca Jones-Albertus
Advanced Manufacturing Office Director (Acting)
Becca Jones Albertus leads the Advanced Manufacturing 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.

Rob Sandoli
Federal Energy Management Program Office Director (Acting)
Rob Sandoli 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.

Annamaria Garcia
Weatherization and Intergovernmental Programs Office Director
Annamaria 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.


Derek Passarelli
Golden Field Office (GFO) Director 
As acting Budget Director for EERE, Derek oversees all phases of EERE budget planning, formulation, and execution activities.

Christy Cooper
Office Business Services Management (OBSM) Director
Christy oversees EERE’s IT Services 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.

Steve VonVital
Information and Technology Systems Office (ITSO) Director                                                                Steve VonVital serves as EERE's Information Technology Services Office Director and as EERE's liaison for IT to the U.S. Department of Energy through the Department’s Information Management Governance Board.

Christine Smith
Knowledge Management Systems (KMSO) Director

Michelle Pannell
Workforce Management Office (WMO) Director
Michelle Pannell serves as EERE’s Workforce Management Office (WMO) Director, leading a team that provides assistance and advice to EERE offices and employees in the areas of talent management, staffing and onboarding, performance management, employee engagement, and training. WMO also oversees EERE Headquarters facilities management activities.

Andre Adams
Budget Office Director