Appointed 3 November 2025.
Ms Lockhart has more than 30 years of global experience in the energy industry and has a proven track record in driving corporate strategic growth, leading large-scale operations, and managing complex projects. Ms Lockhart’s most recent executive role was as Chief Technology Officer and Executive Vice President – Technology, Digital and Innovation for Equinor ASA, based in Oslo. Prior to this, Ms Lockhart held several VP roles at Equinor ASA in development and production, with geographical responsibilities spanning the Americas, Africa, the Middle East, Asia, India and Australia. Before Equinor, Ms Lockhart worked for Marathon Oil Company in a range of technical and management roles.
She has been recognised as one of Hart’s Oil and Gas Investor’s 25 Influential Women in Industry and named among the Energy Council’s Top Female Executives.
She is also actively involved in the University of Houston Energy Advisory Board and the Society of Petroleum Engineers.
She is currently a member of the board of directors of Williams Companies Inc (NYSE: WMB) and Innovex International Inc (NYSE: INVX) and the management committee of Ascent Resources LLC.
She has agreed with Karoon that she will gradually reduce her non-executive director roles.
Appointed to the Karoon Board on 1 October 2020.
Appointed as the Chair of the Board on 23 November 2023
Mr Botten is a highly experienced and successful former Chief Executive and internationally recognised business leader with over 40 years’ experience in the international resources sector. His executive career was dominated by his 26 year tenure as CEO of Oil Search, where he was instrumental in driving its growth from a market capitalisation of A$200 million to a peak of A$15 billion.-year tenure as CEO of Oil Search, where he was instrumental in driving its growth from a market capitalisation of A$200 million to a peak of A$15 billion.
Peter’s executive experience spanned all aspects of the upstream petroleum sector, including in upstream oil and gas exploration, development and production operations through his involvement in projects in PNG, Australia, Africa, the Middle East and North America. Peter also has considerable experience in governing and growing ASX listed companies and other business entities. He was one of the longest serving CEO’s on the Australian Securities Exchange and was included in the Harvard Business Review’s list of best performing CEO’s in the world for 2 consecutive years (2015 and 2016).
Peter holds a Bachelor of Science (Geology) from the Imperial College of Science and Technology, London University and the Royal School of Mines. In recognition of building relations between Australia and PNG, along with services to business and communities in PNG, Peter was awarded Companion of the Order of Australia (AC) along with Commander of the British Empire (CBE).
Current directorships of other listed companies include:
- Chair, Aurelia Metals Ltd (ASX: AMI); and
- Chair, Conrad Asia Energy (ASX: CRD)
Independent Non‑Executive Director (Appointed 6 June 2014). Peter Turnbull was re-elected to the Board on 23 May 2024.
Peter Turnbull is an experienced ASX independent non-executive director and chair with significant exposure to the global mining, energy and technology sectors.
Peter brings to the board significant commercial, legal and governance experience gained from working with boards and management to build company value for shareholders both organically and through mergers, acquisitions and other corporate routes. Peter also has expertise in the commercialisation and scaling of new technologies.
In addition, Peter has significant regulatory and public policy experience from prior executive roles including as a Director of the Securities & Futures Commission of Hong Kong and roles with ASIC. Over time, Peter has held roles as a director or senior officer of several global organisations which promote best practice governance and is a regular contributor and speaker in Australia and overseas on corporate governance issues. Peter is a former President and current Life Member of the Governance Institute of Australia and is the Immediate Past President of the global Chartered Governance Institute.
Peter’s senior executive roles over 30 years involved significant experience in very large publicly listed organisations with global operations, particularly South East Asia, Europe and the USA. This experience included over a decade in energy markets and the resources sector including as Company Secretary of Newcrest Mining Limited, Company Secretary and General Counsel of BTR Nylex Limited and General Manager, Legal and Corporate Affairs with Energex Limited.
In June 2020, Peter was made a Member of the Order of Australia for services to business and corporate governance institutes.
He previously served as Chair of Calix Limited (ASX: CXL) from its ASX listing on 20 July 2018 until 30 September 2024.
Appointed to the Karoon Board on 26 August 2016.
Luciana has over 45 years experience in the oil and gas industry in both technical, commercial and senior leadership roles in Brazil, including 20 years in the
Exploration and Production Division of Petrobras.
Luciana also has a range of Board experience in Brazil. She has represented Petrobras as Chairperson of Transportadora Brasileira Gasoduto Bolívia -Brasil S.A, and Gás Brasiliano Distribuidora S.A as well as a Director of Transportadora Associada de Gás, Companhia de Gás de Minas Gerais and Companhia Paranaense de Gás.
Luciana has technical experience across project evaluation, development and management roles. Specific experience includes Marlim Leste Asset Manager, the design of the first offshore platforms in the Campos Basin, the production, handling and processing o f natural gas onshore and offshore, the coordination of the Petrobras E&P Deepwater Strategic Project and a variety technical and economic feasibility studies on major projects including participation in the first Petrobras project finance deals.
Luciana has also held positions in the Petrobras commercial team including Executive Manager of Investor Relations, Executive Manager of Financial Planning and Risk Management, General Manager of Corporate Affairs, General Manager of Marketing and Trading, Executive Manager for Logistics and Investments in Natural Gas and Chief Executive Officer Transportadora Brasileira Gasoduto Bolivia Brazil and Chief Executive Officer of Transportadora Associada de Gas SA.
Ms Rachid was last elected to the Board on 22 May 2025.
Appointed to the Karoon Board on 30 March 2026
Fernando Borges is an experienced oil and gas executive with more than 40 years’ experience in the international energy sector, including over three decades with Petrobras in senior technical and leadership roles across exploration, production and project development.
Fernando brings extensive operational and project development experience in offshore oil and gas operations, including major projects in Brazil’s Campos and Santos Basins.
During his career with Petrobras, Fernando held several executive positions, including Executive Manager of Exploratory Assessment, Production Development, and Investment Management for the Libra Project – one of Brazil’s largest pre-salt developments; he concluded his tenure as Chief Exploration & Production Officer.
Appointed 19 April 2024
Ms Palmer has over 28 years of professional experience providing audit and assurance services, with 19 years working at EY in various positions and ultimately holding the position of equity partner before becoming an Executive Director (Partner) at Pitcher Partners. Ms Palmer’s experience spans across UK and Australian companies operating in Africa, Europe, America and Australasia.
During her executive career at EY, Ms Palmer worked primarily in the assurance practice and additionally led EY’s Financial Accounting Advisory Services (CFO Advisory) team in Perth. Mainly working in the resources sector, she assisted multinational companies, mid-caps and junior explorers by providing external audit services, technical accounting, regulatory advice and finance function support services with a focus on transactions and M&A.
Ms Palmer currently serves as a Non-Executive Director on the following listed companies:
- St Barbara (ASX: SBM),
- New Murchison Gold (ASX: NMG); and
- Boss Energy (ASX: BOE).
She previously served as a Non-Executive Director of Paladin Energy (ASX: PDN) from 13 May 2021 to 29 November 2024 and Sierra Rutile (ASX: SRX) from 1 May 2022 to 24 April 2024.
Independent Non-Executive Director appointed to Karoon Board on 19 April 2024
Ms Holzberger is an experienced independent Non-Executive Director and Commercial, Energy and Resources Lawyer with over 25 years’ experience in the international energy and resources sector.
She is currently a Non-executive Director of Argo Investments Ltd (ASX: ARG); and a member of the Federal Government’s Australian Radiation Protection and Nuclear Safety Agency’s Radiation Health and Safety Advisory Council.
Melissa has served on ASX100, private, government and not-for-profit boards spanning a range of sectors including international energy & resources, international trade, logistics, infrastructure, technology and agribusiness. Her former Non-Executive Director roles include Silex Systems Ltd (ASX: SLX), Paladin Energy Ltd (ASX: PDN), Andromeda Metals Ltd (ASX: ADN); Tyre Stewardship Australia, Australian Livestock Export Corporation and Karting Australia.
She brings a deep understanding of international energy operations and projects, having previously worked with BHP (including with BHP Petroleum assets), and as a trusted adviser to multinational and Australian companies. Her substantial experience extends to highly regulated industries, legal, risk and compliance oversight together with a focus on sustainability, environmental, social and governance matters.
Ms Holzberger holds a Master of Laws in Resources Law (Distinction) as a Chevening scholar from the Centre for Energy, Petroleum and Mineral Law and Policy, University of Dundee in Scotland; a Diploma in International Nuclear Law (Hons) as an OECD Nuclear Energy Agency scholar from the University of Montpellier in France; a Bachelor of Laws and Bachelor of Arts from the University of Adelaide; and a Graduate Diploma in Legal Practice.
She is a graduate of the University of Oxford’s Leading Sustainable Corporations; a graduate member of the Australian Institute of Company Directors; and a Fellow of the Governance Institute of Australia. Ms Holzberger was awarded a SA Telstra Young Business Woman of the Year for her leadership in the energy, resources and business community.
