Chairman & NED
Our Team
··· H2ex Wins 2024 Game Changer Award ··· Natural Hydrogen ··· World Leading R&D ··· Extensive Exploration Portfolio
··· H2ex Wins 2024 Game Changer Award ··· Natural Hydrogen ··· World Leading R&D ··· Extensive Exploration Portfolio
H2EX is Reimagining Energy
The discovery of natural hydrogen in South Australia will provide a reliable, low-cost renewable clean energy source for the local community and industry.
There are multiple routes to market in the Eyre Peninsula which includes co-mingling with green hydrogen supply, natural gas blending and electricity generation.

Peter Coleman
Chairman & NED
Mr Coleman’s immense experience and knowledge spanning renewables, exploration and production and corporate governance will help shape H2EX as a leader in natural hydrogen exploration in Australia and globally.
For over a decade (2011-2021), Mr Coleman was the Managing Director and CEO of Woodside Petroleum Ltd (“Woodside”), Australia’s largest independent oil and gas producer. Whilst at the helm, Mr Coleman oversaw the acquisition and development of strategically important growth assets, including the Scarborough and Pluto Train 2 Project, as well as the establishment of industry leading innovation initiatives and clean energy projects in the solar and hydrogen sector. Prior to joining Woodside, Mr. Coleman spent 27 years with the ExxonMobil group in a variety of roles, including Vice President Development Asia Pacific and Vice President Production Americas.
In July 2021, Mr Coleman was appointed to the SLB Board of Directors (aka Schlumberger). SLB is an international renowned oil and gas services company with a market capitalisation of ~US$50 billion and has experience operating in over 120 countries. Most recently, Mr Coleman was the independent Chairperson of Arcadium Lithium which merged with Rio Tinto, a deal worth US$7 billion. Mr Coleman is also the independent Chairperson of DIRECT Infrastructure and executive Chairperson of Bia Energy Solutions, both renewable energy ventures.
Peter has been honoured for his services to the Australian-Korean diplomatic relationship, with the award of ‘The Order of Diplomatic Service Heungin Medal’ from the Republic of Korea. This award is the highest honour that can be awarded by the Republic of Korea, to a non-heads of state representative.
For over a decade (2011-2021), Mr Coleman was the Managing Director and CEO of Woodside Petroleum Ltd (“Woodside”), Australia’s largest independent oil and gas producer. Whilst at the helm, Mr Coleman oversaw the acquisition and development of strategically important growth assets, including the Scarborough and Pluto Train 2 Project, as well as the establishment of industry leading innovation initiatives and clean energy projects in the solar and hydrogen sector. Prior to joining Woodside, Mr. Coleman spent 27 years with the ExxonMobil group in a variety of roles, including Vice President Development Asia Pacific and Vice President Production Americas.
In July 2021, Mr Coleman was appointed to the SLB Board of Directors (aka Schlumberger). SLB is an international renowned oil and gas services company with a market capitalisation of ~US$50 billion and has experience operating in over 120 countries. Most recently, Mr Coleman was the independent Chairperson of Arcadium Lithium which merged with Rio Tinto, a deal worth US$7 billion. Mr Coleman is also the independent Chairperson of DIRECT Infrastructure and executive Chairperson of Bia Energy Solutions, both renewable energy ventures.
Peter has been honoured for his services to the Australian-Korean diplomatic relationship, with the award of ‘The Order of Diplomatic Service Heungin Medal’ from the Republic of Korea. This award is the highest honour that can be awarded by the Republic of Korea, to a non-heads of state representative.

Mark Hanna
MD & Director
Mark is a business and marketing executive having worked predominantly in the oil and gas sector. Mark is the joint founder of H2EX Ltd.
For the last 25 years, Mark has predominantly worked in exploration and development. Specifically, Mark spent 20+ years working for Woodside Energy Ltd a large LNG, gas and oil production and exploration company (1997 to 2017). After Woodside, Mark assisted Beach Energy to secure the first gas backfill arrangements with the North West Shelf Project and as a result, Beach was able to take Final Investment Decision on the $700 million Waitsia gas project and will be commercialising its gas by exporting LNG internationally.
Mark has also worked in financial and strategy consulting and qualified as a Chartered Accountant.
Mark has jointly founded Oil and Gas Service companies in Australia with these being successfully sold to KKR (2015) and Swire Oilfield Services Group (2009).
Mark has worked on LNG, pipeline gas greenfield and brownfield opportunities and has a detailed understanding of how exploration discoveries are commercialised and the technical, marketing and funding work required to make a final investment decision.
Mark has deep understanding of domestic and international energy markets and established international relationships with major global energy project developers and buyers. Mark achieved accreditation as a Chartered Accountant, has an MBA from Melbourne University including exchange at UCLA (Dean’s list – top 5%) and has a Bachelor of Business undergraduate degree.
For the last 25 years, Mark has predominantly worked in exploration and development. Specifically, Mark spent 20+ years working for Woodside Energy Ltd a large LNG, gas and oil production and exploration company (1997 to 2017). After Woodside, Mark assisted Beach Energy to secure the first gas backfill arrangements with the North West Shelf Project and as a result, Beach was able to take Final Investment Decision on the $700 million Waitsia gas project and will be commercialising its gas by exporting LNG internationally.
Mark has also worked in financial and strategy consulting and qualified as a Chartered Accountant.
Mark has jointly founded Oil and Gas Service companies in Australia with these being successfully sold to KKR (2015) and Swire Oilfield Services Group (2009).
Mark has worked on LNG, pipeline gas greenfield and brownfield opportunities and has a detailed understanding of how exploration discoveries are commercialised and the technical, marketing and funding work required to make a final investment decision.
Mark has deep understanding of domestic and international energy markets and established international relationships with major global energy project developers and buyers. Mark achieved accreditation as a Chartered Accountant, has an MBA from Melbourne University including exchange at UCLA (Dean’s list – top 5%) and has a Bachelor of Business undergraduate degree.

Greschen Brecker
CFO & Director
Greschen is proficient in all things commercial and treasury, with 20 years experience in the oil & gas sector and has held various roles at Woodside, Origin and Alinta Gas, including project lead in Mergers & Acquisitions, project lead on large-scale funding deals, senior commercial negotiator and team lead economic analysis.
Greschen has US$7 billion in executed transactions under her belt. In these M&A and treasury transactions, she has been involved in a material capacity, often as a project lead or a subject matter expert. This includes 3 x 144a bond issuances, a hybrid note and large-scale equity raise.
Specifically, Greschen led Woodside’s US$1.5 billion 144a bond issuance in 2019, which involved leading a large internal team, managing board expectations, pitching to investors and project managing the Joint Lead Managers (Citi, UBS and BAML) and credit rating agencies.
Greschen’s M&A experience included reporting directly to Woodside’s Corporate Head of M&A and she was 2IC on the successful US$400 million acquisition of 50% of BHP’s Scarborough area assets in 2016.
Greschen is also skilled in complex fiscal regime economic modelling has presented her work to Federal Government departments and GeoScience Australia. Greschen completed an MBA at the University of Western Australia and has a Bachelor of Commerce (Economics & Finance) undergraduate degree from Curtin University.
Greschen has US$7 billion in executed transactions under her belt. In these M&A and treasury transactions, she has been involved in a material capacity, often as a project lead or a subject matter expert. This includes 3 x 144a bond issuances, a hybrid note and large-scale equity raise.
Specifically, Greschen led Woodside’s US$1.5 billion 144a bond issuance in 2019, which involved leading a large internal team, managing board expectations, pitching to investors and project managing the Joint Lead Managers (Citi, UBS and BAML) and credit rating agencies.
Greschen’s M&A experience included reporting directly to Woodside’s Corporate Head of M&A and she was 2IC on the successful US$400 million acquisition of 50% of BHP’s Scarborough area assets in 2016.
Greschen is also skilled in complex fiscal regime economic modelling has presented her work to Federal Government departments and GeoScience Australia. Greschen completed an MBA at the University of Western Australia and has a Bachelor of Commerce (Economics & Finance) undergraduate degree from Curtin University.

Dr Daniel Dawson
Exploration Manager
Dr Dawson has been working with H2EX since October 2023. He is a senior geoscientist with 17 years of oil and gas exploration, development, and production experience. He has worked on subsurface evaluations of ~40 basins in 20 countries.
Dr Dawson spent 14 years with Woodside, primarily assisting exploration teams with the development of leads and prospects for potential drilling, and post-well analysis of drilled prospects. Dr Dawson complements his work using modern data science techniques.Prior to this, he was a Postdoctoral Research Fellow with the Department of Applied Chemistry at Curtin University.
He holds a BSc (Applied Chemistry) with First Class Honours and a PhD in organic and stable isotope geochemistry from Curtin University.
Dr Dawson spent 14 years with Woodside, primarily assisting exploration teams with the development of leads and prospects for potential drilling, and post-well analysis of drilled prospects. Dr Dawson complements his work using modern data science techniques.Prior to this, he was a Postdoctoral Research Fellow with the Department of Applied Chemistry at Curtin University.
He holds a BSc (Applied Chemistry) with First Class Honours and a PhD in organic and stable isotope geochemistry from Curtin University.