Grimur Björnsson of Warm Arctic ehf provides private consulting on geothermal development projects and numerical reservoir modeling worldwide.

Michael B. Kowalsky, Gridosity, LLC, provides consulting services in Earth sciences, hydrogeological and geophysical methods, simulation and optimization, data analysis and visualization, software development and training.

Nicolas F. Spycher is an expert in aqueous geochemistry, thermodynamics, and water/rock/gas interactions, including the development and application of multicomponent geochemical and reactive transport models.

Deep Isolation offers new, innovative solutions to secure nuclear waste in the United States and around the world.

Vatnaskil Consulting Engineers is Iceland’s leading consulting firm in the areas of geothermal reservoir engineering, groundwater hydrology, river hydraulics, surface runoff, air pollution and environmental modeling.

GEOLOGICA provides geothermal resource consulting services world-wide, including early exploration, project planning and development, and long-term reservoir management.

Mauro Parini is a geothermal reservoir engineer and an independent consultant.

INTERA Inc. is an employee-owned geosciences and engineering consulting firm that provides environmental, water resource, coastal engineering, radioactive waste management, and GIS and data management services to a variety of client sectors and industries.

LBNL's Energy Geosciences Division creates basic and use-inspired knowledge, methods, and capabilities for sustainable utilization and management of the Earth’s subsurface.

Anya Finsterle makes Finsterle GeoConsulting a happy company.

George Shu Heng Pau is a Mechanical Engineer and Computational Scientist with extensive experience in high-performance computing, numerical solutions of partial differential equations, and optimization. He is the main developer of TOUGH3.