
Antonio Calleri
President of GEOLOG
Antonio Calleri has worked in the oil and gas industry for 50 years and holds over 20 patents in engineering and formation evaluation. Antonio has successfully launched and built businesses in over 30 countries. Antonio is currently the Chairman of Geolog, which he grew into the largest independent surface logging company in the world. Previously Antonio held the position of Vice President for Geoservices where he launched and managed services in formation evaluation, drilling (including surface logging, wireline, and hydraulic full-bore DST, well testing, cased/open-hole logging, perforation, PLT, and a PVT laboratory) as well as a number of Early Production Facilities. He has served on the Board of Assomineraria, the Italian Petroleum and Mining Industry Association, and on the Board of SPE Italy.
Antonio holds an Industrial Electronics Engineering degree from the University of Torino, Italy.
Antonio holds an Industrial Electronics Engineering degree from the University of Torino, Italy.

Richard Spears
Vice President at Spears & Associates, Inc.
Richard Spears has worked in the oil and gas industry for over 40 years and is one of the managing partners of Spears & Associates where he is responsible for leading the firm’s mergers and acquisitions practice. Richard sits on the boards of several privately-owned oilfield service companies as well as serving on the Advisory Board of the Norwegian EV Private Equity firm.
Richard holds an engineering degree from Oklahoma State University and completed graduate work in industrial engineering.
Richard holds an engineering degree from Oklahoma State University and completed graduate work in industrial engineering.

Phil Longorio
Former CEO of Scientific Drilling
Phil Longorio is a 40+ year veteran of the oil and gas service industry and has held various executive management positions with both major and independent oil service companies. Phil most recently served as CEO and President of Scientific Drilling. Prior to that position, he was the Senior Vice President for TETRA Technologies, Inc. where he was responsible for their Energy Services and Chemicals divisions. Before joining TETRA, Phil served as President and CEO of WellDynamics B.V., a Halliburton and Shell Technology Ventures JV providing intelligent well technology. Previously Phil served as VP of Halliburton for Sperry Drilling. Phil has also served as Non-Executive Chairman and independent director for GeoDynamics, a perforating technology developer, RESMAN, a wireless production monitoring company, and as Non-Executive Chairman and Director for SENSORTRAN, a fiber optics production monitoring company. His career started as a Wireline Logging Engineer for Gearhart Industries. Phil is a United States Air Force veteran.

Nathan Meehan
President of CMG Petroleum Consulting
Dr. Nathan Meehan has worked in the oil and gas industry for 45 years and has held numerous board and senior executive positions in privately owned and publicly listed oilfield service companies, including Vice President of Baker Hughes, President of Gaffney, Cline & Associates and President of CMG Petroleum Consulting. Former President of the Society of Petroleum Engineers and appointed member of the Interstate Oil and Gas Compact Commission by Governors George W. Bush and Rick Perry. He also is a Trustee of the Houston Grand Opera.
Nathan holds a Ph.D. in Petroleum Engineering from Stanford University, an MSc in Petroleum Engineering from the University of Oklahoma, a BSc in Physics from Georgia Institute of Technology and is a member of the National Academy of Engineering.
Nathan is a Professor at Harold Vance Department of Petroleum Engineering at Texas A&M University
Nathan holds a Ph.D. in Petroleum Engineering from Stanford University, an MSc in Petroleum Engineering from the University of Oklahoma, a BSc in Physics from Georgia Institute of Technology and is a member of the National Academy of Engineering.
Nathan is a Professor at Harold Vance Department of Petroleum Engineering at Texas A&M University

Richard Calleri
Chief Executive Officer
Richard Calleri has worked in the oil and gas industry for 12 years and is currently the CEO of Geolog, a world leader in surface solutions to the oil and gas and geothermal industries. Prior to Geolog, Richard worked for 11 years in Investment Banking in Mergers & Acquisitions, Leveraged Finance and Restructuring, spanning multiple industries including Energy and TMT, holding various positions at global investment banks the last of which being Executive Director at Goldman Sachs, London.
Richard holds an MBA from the University of Chicago Booth School of Management and a BSc (Hons) in Economics from City University, London.
Richard holds an MBA from the University of Chicago Booth School of Management and a BSc (Hons) in Economics from City University, London.

Marcus Oesterberg
Chief Operating Officer
Marcus Oesterberg has worked in the oil and gas industry for 32 years and holds over 16 patents. In 1995 Marcus joined Baker Hughes in Celle, Germany, and relocated to the US in 1997. During his career with Baker Hughes, he worked in various roles in Technical Services, Deepwater Project Management, Repair & Maintenance, Global Marketing, Off- and Onshore Operations, and as the Global Product Management Executive for Directional Drilling. Prior to joining Ignis Energy he was the President of Evolution Engineering, a leading technology provider for downhole MWD tools.
Marcus holds an M.Sc. degree in Mechanical Engineering from the University of Clausthal, Germany.
Marcus holds an M.Sc. degree in Mechanical Engineering from the University of Clausthal, Germany.

Franco Caselli
Chief Geologist & New Ventures
Franco Caselli is a geoscientist with over 40 years of international experience in the energy sector having previously worked with major and independent oil and gas companies, gaining considerable energy business experience in Southern Europe, Africa, the Middle East, Far East, and South America. Franco has worked across the hydrocarbon, hydrogeology, and renewable sectors as geothermal energy, also managing integrated energy projects with international institutions and governments.
Franco holds an M.Sc. degree in Geology from the University of Florence, Italy.
Franco holds an M.Sc. degree in Geology from the University of Florence, Italy.

Connecting advanced technologies to establish reliable baseload energy from geothermal resources.
About Us
As one of the stakeholders in the geothermal industry, we leverage our vast experience from the Oil & Gas industry to evaluate and then advance technologies that lead us on a sustainable energy path.
We are committed to connecting with the right ideas, technologies and companies that are market leading and offer step change innovations to improve reliability, cost and efficiency in geothermal energy delivery.
Board of Directors
Leadership Team
Projects
Ignis Energy is currently involved in multiple projects around the globe including

Aquifer geothermal
energy delivery
energy delivery

Energy delivery
from volcanic dry rock
from volcanic dry rock

Repurposing of
O&G wells
O&G wells
News

March 3th 2023
Ignis enters Alaska
On March 1, Ignis H2 Energy Inc., a global leader in connecting advanced technologies to establish reliable baseload energy from geothermal resources, and GeoAlaska LLC, a geothermal focused exploration...

March 1st 2023
Cannur Bozkurt Appointed as VP for Business Development
We are pleased to announce the appointment of Cannur Bozkurt as the new Vice President for Business Development at our company. With over 12 years of experience in the geothermal industry, Cannur brings...

January 26th 2023
Strategic Partnership and Investment
CeraPhi Energy Announces Strategic Partnership and Investment from IGNIS H2 Energy and the Geolog Group to Advance CeraPhi’s proprietary technology and execution strategy within the UK’s heat...

November 1st 2022
Strategic Partnership and Investment
Sage Geosystems Announces Strategic Partnership and Investment from IGNIS H2 Energy and the Geolog Group to Advance Energy Storage Solutions Using Geothermal Technology

October 5th 2022
Ignis appoints Sam Abraham to the Board of Directors
Ignis Energy, a leading renewable energy company, has announced the appointment of Sam Abraham to its board of directors. With over 30 years of experience in the oil and gas and geothermal industry, Sam...

May 4th 2022
Marcus Oesterber joins Ignis as COO
We are thrilled to announce that Marcus Oesterberg has joined our team as the new Chief Operating Officer (COO) of Ignis Energy. With over 32 years of experience in the energy industry and holding over...
Contact
Please feel free to contact us with your questions
and comments about our activities. We will get back to you soon.

Ignis H2 Energy Inc.
10402 Valley Forge Dr. | Houston, TX 77042 | USA
10402 Valley Forge Dr. | Houston, TX 77042 | USA

+1 281-623-8111
