Baseload Energy.
Designed for the Future.

AlterG develops utility-scale geothermal projects to deliver clean, firm, and affordable power.

Demand for 24/7 power is growing faster than supply.

Data center growth, electrification, re-shoring, and the rapid buildout of intermittent renewables are converging to create a domestic power crisis.

Firm Power with no CO2 Emissions

Leverage Legacy Geothermal and Oil and Gas Supply Chains

No Fuel Required

Modular Building Blocks

Minimal Surface Footprint

Bipartisan Support

The AlterG team

AlterG’s team is built upon the three pillars of experience required to deploy Enhanced Geothermal Systems: oil and gas, geothermal development, and capital formation.

Board and Advisors

Albright
Bear
Albright
Capital Formation Advisor
Albright
Capital Formation Advisor
Education
University
Certifications / Licenses
Area of expertise
Former Head of Investor Relations for Bain Capital
Bio

Former Head of Investor Relations for Bain Capital

Farb
Dan
Farb
Chairman
Farb
Chairman
Education
University
Certifications / Licenses
Area of expertise
Bio

Former Partner at Highfields Capital Management, a $12B investment fund, leading investments in the Energy and other sectors

Gartenberg
Itzhak
Gartenberg
CEO & Co-Founder
Gartenberg
CEO & Co-Founder
Education
MBA Bachelor of Administration - Economics & Mathematics
University
Harvard Business School Yale University
Certifications / Licenses
Area of expertise
Leadership and Strategy
Bio

Previously a Senior Member of Knighthead Capital, a $10B+ fund investing in credit and distressed and special situations.

Prior, worked at Paulson & Company, Bain Capital, and Lehman Brothers.

Goodman
Nicholas
Goodman
President & Co-Founder
Goodman
President & Co-Founder
Education
Master of Science Natural Resources Management (Business Administration) Bachelor of Science in Geography
University
University of Vermont Middlebury College
Certifications / Licenses
Area of expertise
Leadership and Strategy
Bio

Previously Chairman and CEO of Cyrq Energy, where he led the restructuring and take-private of then publicly listed Raser Technologies. Grew the company 20.0x from <$5M to >$110M in annual revenue. Increased EBITDA 60.0x before orchestrating the company’s sale to Macquarie Infrastructure and Real Assets for $700M+.

Prior, served as CEO of TDX Power in Alaska, where he grew annual revenue 20.0x and partnered with the DoD Missile Defense Agency to construct mission-critical power plants.

Ram
Hezy
Ram
Senior Advisor
Ram
Senior Advisor
Education
University
Certifications / Licenses
Area of expertise
Bio

Former Head of Business Development for Ormat

North America

Sauvage
Joe
Sauvage
Board Director
Sauvage
Board Director
Education
University
Certifications / Licenses
Area of expertise
Utilities / Renewables Group
Bio

Current AEP Board Member and former Vice

Chairman and Global Head of Citigroup’s Power /

Utilities / Renewables Group

Key Management

Kristin
Drain
Director of Completions
Drain
Director of Completions
Education
Bachelor of Science Petroleum Engineering
University
Marietta College
Certifications / Licenses
Area of expertise
Completion engineering
Bio

Accomplished completion engineering leader with nearly two decades of experience across major U.S. shale basins. As Director of Completions at AlterG, she brings a strong blend of technical expertise, operational discipline, and team-focused leadership.

Her career includes key roles at Marathon Oil, where she led Oklahoma Northern Delaware completion operations and supported development across the Bakken, SCOOP/STACK, Eagle Ford, and Permian. Her earlier tenure at Chevron further strengthened her basin versatility, with engineering and leadership roles spanning the Delaware, Permian, and Marcellus/Utica plays. Beginning her career, she developed a solid field and engineering foundation across the Devonian Shale, Berea Sandstone, Woodford, and Barnett plays.

Matt
Heumann
Director of Exploration
Heumann
Director of Exploration
Education
University
Certifications / Licenses
Area of expertise
Bio

Global energy geoscientist with 20+ years of exploration leadership across conventional, unconventional, and deepwater assets spanning five continents.

Rachel
Hranitzky
Legal Counsel
Hranitzky
Legal Counsel
Education
Juris Doctor Bachelor of Arts Psychology
University
Southern Methodist University Texas Christian University
Certifications / Licenses
J.D.
Area of expertise
Legal, Contract Negotiation, Compliance, Human Resources
Bio

Rachel R. Hranitzky serves as Legal Counsel for AlterG Resources LLC, bringing over 30 years of legal expertise to the company's geothermal energy initiatives. She oversees all legal operations including corporate governance, regulatory compliance, contract management, risk assessment, and human resources.

Rachel earned her Juris Doctor from Southern Methodist University and holds a Bachelor of Arts from Texas Christian University. Her career includes senior legal roles across energy, financial services, and property management sectors, as well as service as a federal prosecutor with the United States Department of Justice.

At AlterG, Rachel manages all company legal documents, directs compliance and insurance programs, oversees human resources operations, and provides strategic counsel on large-scale geothermal power project development. Her comprehensive experience in regulatory matters and corporate operations enables her to deliver practical, strategic solutions that support AlterG's mission and growth.

Sergio
Mares
Vice President, Drilling
Mares
Vice President, Drilling
Education
University
Certifications / Licenses
Area of expertise
Drilling
Bio

20+ years of upstream drilling, completions, workover and productions operations experience across U.S. basins.

Rodney
Mendoza
Vice President of Land & Real Estate
Mendoza
Vice President of Land & Real Estate
Education
MBA Finance Master of Arts Public Administration) Master of Management International Business Bachelor of Business Administration
University
St. Mary's University University of Houston University of Dallas University of Texas
Certifications / Licenses
Area of expertise
Bio

Seasoned energy executive with extensive experience leading complex land negotiations, large-scale asset management, and strategic development initiatives across major U.S. oil and gas basins. As Director of Land for Seneca Resources Company, he guides a team of more than twenty professionals and manages a land position exceeding 1.2 million acres. Rodney plays a key role in shaping corporate strategy, optimizing asset value, and executing intricate transactions with private, corporate, and governmental stakeholders.

Before joining Seneca, he led a boutique consulting firm focused on energy transactions and previously served as Vice President of Land for both PDC Energy and Forge Energy Operating. His work included major A&D initiatives, regulatory engagement, multi-basin asset oversight, and the successful negotiation of a landmark $1.1 billion divestiture. Rodney’s 26-year tenure at BP further established his reputation as a strategic negotiator and land leader, contributing to significant acquisitions, portfolio expansions, and development programs across the Lower 48.

With a career defined by leadership, technical expertise, and results-driven execution, Rodney brings a proven ability to deliver value, manage risk, and drive organizational success.

Evan
O'Connor
Director of Business Development
O'Connor
Director of Business Development
Education
University
Certifications / Licenses
Area of expertise
Bio
Sheldon
Plahn
Principal Reservoir Engineering Consultant
Plahn
Principal Reservoir Engineering Consultant
Education
University
Certifications / Licenses
Area of expertise
Bio

35+ years of reservoir engineering, field development, production operations, and reservoir simulation experience across global conventional and unconventional assets including the Permian, North Sea, Egypt, & Thailand.

Lorna
Richmond, PhD
Vice President of Exploration & Geoscience
Richmond, PhD
Vice President of Exploration & Geoscience
Education
Doctorate (PhD) in Geology Bachelor of Science in Geology (First class Honors)
University
University of Aberdeen University of Durham
Certifications / Licenses
Area of expertise
Geoscience
Bio

Distinguished geoscientist with 28 years of global experience in the oil and gas industry.
Joining AlterG in November 2025 from APA Corporation, she previously led all global exploration and appraisal programs, managing diverse assets in Suriname, Uruguay, Alaska, and Egypt.

Prior to that, Lorna spent 25 years at ConocoPhillips in leadership roles in Aberdeen, Stavanger, Calgary, Anchorage, and Houston, driving new ventures exploration and leading large-scale exploration, appraisal, and development programs worldwide.

As a proven leader, Lorna directed the Eagle Ford unconventional development program, overseeing a $1B+ annual budget and leading 70 subsurface staff in capital planning, development strategy, geological operations, reservoir characterization, and innovative technology pilots.

Her deep expertise in frontier basins and program execution directly applies to geothermal energy, positioning her to lead exploration and development initiatives.

Rana
Roy
Sr Vice President, Subsurface Resources
Roy
Sr Vice President, Subsurface Resources
Education
MBA Master of Science Petroleum Engineering Bachelor of Science Petroleum Engineering
University
Edinburgh Business School University of Texas Indian Institute of Technology (Indian School of Mines)
Certifications / Licenses
Area of expertise
Bio

Seasoned global drilling and completions executive with 20+ years of leadership across deepwater, unconventional, and international operations. Successfully directed a $2B annual capital program at Apache, delivering 200+ wells per year and enabling a 400 MBOE/day production target while leading a 400-person multinational team.

Achieved a 70% reduction in serious incidents, unlocked a $10B Suriname development through five deepwater discoveries, and generated over $150MM in annual savings via technology adoption and performance optimization. Known for building operational capability in emerging regions, executing complex offshore and onshore programs, and driving continuous improvement in safety, cost, and efficiency. Proven ability to lead large, diverse organizations and deliver top-quartile operational excellence in challenging, high-risk environments.

Jacob
Shumway
Sr Vice President, Data Science & Optimization
Shumway
Sr Vice President, Data Science & Optimization
Education
Master of Business Analytics Bachelor of Science Petroleum Engineering
University
University of Denver Colorado School of Mines
Certifications / Licenses
P.E.
Area of expertise
Engineering, geoscience, data science, and field operations
Bio

Seasoned energy executive with nearly two decades of leadership across engineering, geoscience, data science, and field operations, managing $100 million+ annual budgets and guiding over $5 billion in energy acquisitions and development programs.

Former Forward Deployed Engineer at Palantir Technologies, where he partnered with upstream energy clients to design and implement advanced analytics and AI platforms that integrated operational, financial, and environmental data for real-time decision making.

Operational and reservoir engineering leader with deep experience across exploration, field development, production optimization, and reserves management, delivering measurable improvements in performance, efficiency, and capital productivity.

Interested in joining the team?

We’re deploying geothermal technology where the grid needs it most. If you’re ambitious, hardworking, and want to work on real projects, get in touch.

Ready to partner on the future of geothermal?