艾恩数据 IREN

Daniel Roberts is a Co-Founder, Co-Chief Executive Officer and director of Iris Energy Limited (d/b/a IREN). Mr. Roberts has over 20 years' experience in the finance, infrastructure and renewables industries. Prior to founding Iris Energy Limited (d/b/a IREN), Mr. Roberts was an Executive Director of, and the second largest individual shareholder in, Palisade Investment Partners, an infrastructure funds management business based in Sydney. Prior to Palisade Investment Partners, Mr. Roberts worked at Macquarie Group and PricewaterhouseCoopers in London and Sydney, respectively. Mr. Roberts currently serves on the board of JOLT, a Blackrock-backed electrical vehicle charging business where he is also the second largest individual shareholder. Mr. Roberts has previously served as a board member of various entities involved in airports, ports, gas pipelines, bulk liquid storage businesses, waste treatment facilities and wind and solar farms, including Granville Harbour Wind Farm, Ross River Solar Farm, Northern Territory Airports, Sunshine Coast Airport, ANZ Terminals Pty Ltd and Tasmanian Gas Pipeline. Mr. Roberts holds a Bachelor of Business from University of Technology Sydney and a Master of Finance (Dean's List) from INSEAD Business School. Mr. Roberts is the brother of William Roberts, who also serves as a Co-Chief Executive Officer of Iris Energy Limited (d/b/a IREN).

William Roberts is a Co-Founder, Co-Chief Executive Officer and director of IREN. Mr. Roberts has over 14 years' experience in finance, real assets and commodities markets, including debt financing and principal investment across resources mining projects, as well as managing foreign exchange and commodity price risks. Prior to founding IREN, Mr. Roberts worked across accounting and banking, resources, commodities and real assets at Macquarie Group, Westpac and Brookfield Multiplex. At Macquarie Group, he co-founded the newly established Digital Assets team. Mr. Roberts holds a Bachelor of Business (Distinction) from the University of Technology Sydney. Mr. Roberts is the brother of Daniel Roberts, who also serves as a Co-Chief Executive Officer of IREN.

David Bartholomew has served as the chair of the Board (the Chair) since September 2021. Mr. Bartholomew currently serves as a non-executive director on the boards of Atlas Arteria - an ASX listed global owner and operator of toll roads, Endeavour Energy - a NSW electricity distributor, Atmos Renewables (Independent Non-Executive Chair) - an owner and developer of renewable generation assets in Australia and GHD - a global engineering services firm. Mr. Bartholomew's executive background includes the role of Chief Executive Officer of DUET Group, where he oversaw the ASX listed company's transition to a fully internalized management and governance structure and in which he was appointed to the boards of DUET's portfolio companies including United Energy Distribution (Victorian electricity distribution), Multinet Gas (Victorian gas distribution), the Dampier to Bunbury Natural Gas Pipeline, Energy Developments Limited (remote and waste-to-energy electricity generation) and Duquesne Light (Pittsburgh, USA electricity distribution). He has also held executive roles at Hastings Funds Management, Lend Lease, The Boston Consulting Group and BHP Minerals. Mr. Bartholomew has also served on the boards of Vector Limited, Power and Water Corporation (NT), Keolis Downer, Dussur (Saudi Arabia), The Helmsman Project, Interlink Roads, Statewide Roads, Epic Energy, Sydney Light Rail, Port of Geelong, various forestry companies and Nextgen Networks. Mr. Bartholomew holds a Bachelor of Economics (Honours) degree from Adelaide University and an MBA from The Australian Graduate School of Management.

Michael Alfred has served on the Board since October 2021. Mr. Alfred is a private investor, advisor, and board member. He is the Founder & Managing Partner of Alpine Fox LP, a private investment partnership focused on value equities and Bitcoin. Previously, he served as the Chief Executive Officer of Digital Assets Data, Inc., a financial technology and data company building enterprise-grade software and data feeds for the digital asset ecosystem, from when he co-founded Digital Assets Data, Inc. in January 2018 through its sale to New York Digital Investment Group LLC in November 2020. Mr. Alfred has served as an advisor to the Chief Executive Officer of Amenify, a real estate technology company, since July 2020. From October 2016 to January 2018, Mr. Alfred was a Managing Director and member of the five-person executive committee for Strategic Insight, Inc., a provider of data and software to the global asset management industry, which was acquired by Institutional Shareholder Services (ISS) in 2019. Prior to that, Mr. Alfred served as the Chief Executive Officer of BrightScope, Inc., a financial information company providing 401k analyses and tools for retirement plan participants, sponsors and advisors, from February 2008 until it was acquired by Strategic Insight, Inc. in October 2016. Prior to co-founding BrightScope, Inc., Mr. Alfred served as Co-Founder and Portfolio Manager of Alfred Capital Management, LLC, a registered investment advisor serving high net worth individuals. Mr. Alfred also serves as a principal investor in a variety of industries including technology and consumer products. Mr. Alfred has served on the boards of Crestone Group, LLC, a national artisan bakery, since March 2015, Eaglebrook Advisors, a tech-driven digital asset management platform for financial advisors and their clients, since September 2019, and Wealthie Inc., a home equity management platform since April 2025. Mr. Alfred received a Bachelor of Arts degree in History from Stanford University.

Christopher Guzowski has served on the Board since December 2019. Mr. Guzowski has over 15 years' international experience in renewable energy project development across Europe and Australia. Mr. Guzowski founded Baltic Wind, developing large scale wind farm projects in Europe from greenfield to operations. He also founded Mithra Energy, developing a multitude of Wind, Solar PV and BESS projects in Poland since 2012. Mr. Guzowski was the Project Development Director and commercial development partner of Photon Energy, successfully developing a major solar PV project portfolio in Australia. Mr. Guzowski was the Founding Director of ADCCA - Australian Digital Currency Commerce Association and was a founder of ABA Technology in 2014. He started his career at PricewaterhouseCoopers and since then has continuously been an active angel and technology start up investor. Mr. Guzowski holds a Bachelor of Business from University of Technology Sydney and an MBA in Energy Management from Vienna University of Economics and Business.

On September 8, 2025, Anthony Lewis, the current Chief Capital Officer of IREN Limited, was appointed as Chief Financial Officer of the Company. Mr. Lewis, age 49, has served as the Company's Chief Capital Officer since July 1, 2025. Prior to that, Mr. Lewis served as Co-Treasurer of Macquarie Group from July 2021 to September 2024 and prior to that as Head of Capital, and Co-Head of Transactions and Structure, Group Treasury at Macquarie Group until July 2021. Mr. Lewis received his Bachelor of Commerce and a Bachelor of Laws (First Class Honors) from the University of Sydney.

David has 30 years experience working across the energy, utilities and resources sectors in the Asia Pacific and North America. David is a strategic and operational leader with an extensive background in delivering a portfolio of projects and reliable operations. David was most recently SVP Asia Pacific East of Wood's Operations Division delivering multi-million dollar critical services to complex and diverse industries.

Ms. Cesilia Kim is a Senior Executive and Lawyer with 23 years' experience across renewable energy, water, infrastructure, corporate governance and M&A. Cesilia has a strong track record in corporate strategy, major project development and approvals, policy, regulatory reform, governance and risk management. Cesilia was most recently Snowy Hydro Limited's Group Executive and General Counsel with a broad commercial and multi-disciplinary remit, including procurement, corporate affairs, regulatory strategy and legal. Prior to this Cesilia was in private practice at Allens Linklaters.