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About us

Breaking barriers in geothermal. Engineering what’s next.

GA Drilling is a pioneering force in hard-rock drilling and geothermal well construction. We exist to break through the geological, technical, and economic barriers holding deep geothermal back. With bold engineering, autonomous systems, and real-world deployment, we’re unlocking a scalable, 24/7 renewable energy source the world can rely on.
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Our mission
Deliver clean energy 
solutions that power humanity for generations to come
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Our Values

What drives us

Most geothermal development today is constrained by where conventional drilling can reach. Our technology changes that.
Creativity
We think big and push boundaries, always seeking fresh perspectives and new paths that others might miss.
Ownership
We take personal responsibility for our actions and outcomes, driving results and delivering impact.
Courage
We take bold steps, embrace challenges, and learn from setbacks, forging ahead no matter what.
Trust
Trust is our foundation. We empower each other to take bold steps, knowing we can rely on mutual respect, transparency, and shared goals.
Exceptionality
We deliver excellence in the things that truly matter, setting ourselves apart in the world of energy and innovation.
Executive

Executive team

Antony Branch
CEO
30+ years in the energy sector with a track record in regional expansion and scaling global operations for major producers.
Igor Kočiš
Founder / Board Member
20+ years of engineering, business, and leadership experience. Serial entrepreneur in energy and IT. Named among Europe’s Top 100 Innovators.
Tomáš Krištofič
Co-Founder / CTO
20+ years leading R&D in automation, electronics, and embedded systems. Specialist in downhole communications and harsh-environment reliability.
Dušan Kočiš
Co-Founder / COO
Business development and operations leader. Oversees day-to-day execution and strategic partnerships.
Liam Lines
Chief Engineering Officer
15+ years in downhole tool engineering and deployment. Expert in managing international tech teams.
Michal Novovesky
Chief Growth Officer
10+ years scaling SaaS products from zero to $100M in revenue. Leads the company's shift from R&D to commercial.
Governance

Board of directors

Sverre Skogen
Chairman (TomEnterprise)
30+ years of oil and gas leadership across the service side and E&P, with a focus on scaling complex energy technologies.
Per Colleen
Member (TomEnterprise)
20+ years in global investment banking and asset management, now investing in energy and medtech companies.
Greg Leveille
Member (Independent)
40+ years improving the commercial viability of energy production, from oil and gas to scaling geothermal power.
Dušan Kočiš
Co-Founder / COO
Business development and operations leader. Oversees day-to-day execution and strategic partnerships.
Igor Kočiš
Founder / Board Member
20+ years of engineering, business, and leadership experience. Serial entrepreneur in energy and IT. Named among Europe’s Top 100 Innovators.
Aurore Belfrage
Member and Shareholder (IIIH)
20+ years raising capital for complex, science-driven companies, working at the intersection of the energy transition, AI, and geopolitics.
Strategically Placed.
Globally Positioned.
Headquarters – Technology Center
Bratislava, Slovakia
Office
Houston (USA)
Office
Gloucester (UK)
Office
Rio de Janeiro (Brazil)
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REcognitions

Proven.
Protected.
Recognized.

20+ patents filed and granted
Covering breakthrough innovations in plasma drilling, downhole anchoring, coiled tubing deployment, and autonomous control systems.
Solar Impulse Foundation
Recognized as a clean, profitable, and feasible solution with positive environmental impact.
European Horizon 2020 Programme
Awarded the Seal of Excellence for innovation and societal relevance.
FPAL Achilles Programme
Verified supplier for Health & Safety, Quality Management, and Competency Training.
ISO certified
Certified Quality and Environmental Management Systems in R&D for natural sciences.

Future-proof your energy

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