U.S. Department of Energy: Energy Efficiency and Renewable Energy

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Geothermal Technologies Office Contacts

This page lists key Geothermal Technologies Office (GTO) staff, their assignments, and contact information. GTO is part of the Office of Energy Efficiency and Renewable Energy (EERE) at the U.S. Department of Energy (DOE). For general inquiries, please use the general contact information below. To provide feedback on this site or report technical issues, contact our Webmaster.

General Contact Information

U.S. Department of Energy
Geothermal Technologies Office
1000 Independence Avenue, SW
Room BH-039
Washington, DC 20585
Nearest Metro stop: Smithsonian (blue/orange line)
Get directions

Office Director

Photo of Doug Hollett

Doug Hollett, Office Director

Program Managers and Supervisors

Photo of Lauren Boyd Lauren Boyd, Enhanced Geothermal Systems (EGS) Program Manager

Photo of Eric HassEric Hass, Hydrothermal Program Manager

Photo of Jay Nathwani Jay Nathwani, Chief Engineer

Photo of Margaret Schaus Margaret Schaus, Operations Supervisor

Other Key Contacts

Administrative Support
Nita Scotland

Communications and Outreach
Alethia Marble

National Geothermal Data System, Resource Assessment, and Environmental Analysis
Arlene Anderson

Low Temperature Resources
Tim Reinhardt

Ground Source Heat Pumps/Geothermal Heat Pumps*
Bahman Habibzadeh


*Heat pump projects are managed by the Building Technologies Office because the U.S. Department of Energy classifies geothermal heat pumps as a technology that makes buildings more energy efficient, productive, and affordable. The focus of the Geothermal Technologies Office is electricity production; to research, develop, and validate cost-competitive technologies and tools to accelerate the growth of geothermal energy.

The Geothermal Technologies Office is also supported by staff at several DOE national laboratories.

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Content Last Updated: 04/26/2013