The Geothermal Technologies Office (GTO) is a technology office within the Office of Energy Efficiency and Renewable Energy at the U.S. Department of Energy. This page lists key GTO staff, their assignments, and contact information. To provide feedback on this site or report technical issues, contact DOE.Geothermal@ee.doe.gov. 

U.S. Department of Energy
Geothermal Technologies Office 
1000 Independence Avenue SW 
Washington, DC 20585 
DOE.Geothermal@ee.doe.gov

Nearest Metro stop: Smithsonian (serviced by the Blue, Orange, and Silver lines) 

Get directions

Ready to energize your career and bring your skills and talents to our clean energy mission? Visit the GTO Job Opportunities and EERE Career Opportunities webpages for information on open positions. 

Dr. Susan Hamm 
Susan.Hamm@ee.doe.gov 

Program Managers, Team Lead, and Supervisor 

Dr. Alexis McKittrick, Hydrothermal Resources and Low Temperature and Coproduced Resources 
Alexis.McKittrick@ee.doe.gov

Lauren Boyd, Enhanced Geothermal Systems 
Lauren.Boyd@ee.doe.gov

Sean Porse, Data, Modeling, and Analysis 
Sean.Porse@ee.doe.gov

Vacant, Operations Supervisor 

If you are seeking funding to develop a technology, please see our Open Funding Opportunities webpage. We do not fund unsolicited proposals. 

Media Inquiries

For media inquiries, please email the EERE communications team at EE.Media@ee.doe.gov. 

Merit Review Opportunities

If you are interested in serving as a merit reviewer, please submit your resume or CV to DOE.Geothermal@ee.doe.gov.  

National Laboratory Contacts

View national laboratory contacts.