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Morten Henriksen was appointed Group CEO in April 2025. Henriksen came from the position of CEO of Gassnova, the Norwegian state enterprise for carbon capture and storage.

Morten holds a Master’s degree in Electrical Engineering / Power Systems and has worked within green energy and decarbonisation throughout his career. For the last 20 years he has served on numerous Boards both in the public and private sectors and is currently Board member and Chairman of the Audit Committee in the Kongsberg Group, one of Norway’s largest industrials.

Prior to joining Mainstream, Morten held senior positions in Arendals Fossekompani and Statkraft, with experience from development, construction and operation of renewable assets. In addition, he has initiated and completed several strategic M&A initiatives including two IPO’s in the Norwegian stock market. Early in his career, Morten worked abroad for a number of years through his position in Norconsult, and has extensive experience across Asia, Africa and Central America.

Frode was appointed General Counsel at Mainstream in May 2025 and is responsible for the legal and compliance functions across the Group.

He has more than 20 years’ experience and joined Mainstream from the position of General Counsel at Aker Horizons ASA, a company listed on the Oslo Stock Exchange.

Frode started his career in private practice in law firms Bahr and DLA Piper and has since held management positions in several companies within the energy sector.

Frode graduated with a law degree from the University of Bergen in 1999.

Julie brings over 27 years of experience within finance and internal control and is an experienced leader with focus on promoting diversity in the workplace.

She has held the role as Audit Partner for several years, during which time she has supported many large, listed entities in Norway and has worked closely with Aker for many years.

Originally from the UK, she has extensive international experience within the energy and industrial sectors. Julie is a State Authorised Public Accountant.

Lindsay joined the Mainstream team in October 2018.  Her core function is supporting all employees in the South African business to ensure HR best practice. Previously, she consulted to Mainstream as a Recruitment Manager from 2012 to 2018. 

Lindsay has over 18 years’ experience in the recruitment and executive search consulting profession and developed core skills in interviewing, assessments, business consulting, research and project management. 

She holds a Certificate in Human Resource Management from the University of Cape Town and a Diploma in Public Relations and Business Communication from Damelin College, Cape Town. 

Lindsay is currently studying a Social Sciences degree, majoring in Psychology and HR at the South African College of Applied Psychology. 

Bryan was appointed Group COO of Mainstream in June 2024. He joined Mainstream in June, 2022 as COO for Latam and has over 30 years’ experience leading multinational energy projects. Prior to his arrival at Mainstream, he was Operations Director at Prime Energía. Given his background, he has a strong understanding of engineering disciplines, including mechanical, automation and electrical, with a methodical and structured approach to project engineering.

Bryan has a Bachelors degree in Engineering (honours) from University of Limerick.

Paul was appointed to the role of Commercial Director in May 2024. He joined Mainstream in 2008 and has been a part of Mainstream’s management team and a director of a number of Mainstream group companies since 2014.

Previously, he led Mainstream’s corporate finance division responsible for managing company strategy and the funding of Mainstream’s global activities principally through raising equity and debt amounts at the holding company and project company levels working with large international financial institutions and smaller retail or High Net Worth investors in Ireland and the UK.

Paul has executed multiple transactions with a value of c.€2.0bn, in project finance, mezzanine finance, trade finance, corporate debt, M&A etc across multiple jurisdictions.

Prior to joining Mainstream, he worked in IBI Corporate Finance and KPMG, qualifying as an Associate of both the Irish Taxation Institute and a Fellow of the Institute of Chartered Accountants. He holds a Master’s degree in Finance and Economics from the London School of Economics.

Lars Peder Sørvaag Sperre started in the role as the Chief Executive Officer of Aker Horizons 1^st October 2024.

Prior to joining Aker Horizons, he had a 17-year career with the international publication paper producer Norske Skog ASA in various management positions at the group’s head office in Oslo where he started in the role as VP Legal back in 2007.

He held the position as SVP Corporate Strategy for the period 2019 to 2023 and prior to that held the role as the group CEO in 2017 through 2018.

Lars has extensive experience from management and industrial business development activities and corporate financing and international M&A projects within process industry and the renewables sector. He has also served as director in various green technology development companies.

He holds a Cand.jur. degree from the University of Bergen.

Kristian Monsen Røkke has experience from offshore services and shipbuilding in several companies in the Aker group. Prior to assuming his current position as CEO of Aker Horizons AS, Kristian Monsen Røkke served as Chief Investment Officer of Aker ASA.

Lene Landøy joined Aker ASA in September 2021, where she is Head of Investments. Prior to this, she was an executive responsible for Strategy and Business Development and Commercial at Aker BP, which she joined in 2017. Ms Landøy also has experience from Equinor as leader of business development on the Norwegian Continental Shelf. She has extensive experience from various business entities such as technology and innovation, finance, natural gas and international business development.

Ms Landøy is Deputy Chairman of Norsk Industri, serves on the board of Gaia Salmon, Clara Venture Labs and is a deputy board member for Aker Horizons. She holds a Master’s degree in finance from the Norwegian School of Economics (NHH) and the University of California Los Angeles (UCLA). She also holds a Master’s degree in international finance from the Skema Business School in France.

Jan Ivar Nielsen has been with Aker Horizons from its inception in July 2020. Prior to this, he spent over 25 years in the Aker Group and its related companies across Norway, the UK, the US, Brazil and Ghana. This includes nine years as CFO in Philly Shipyard and six years as EVP and CFO in Vard Group. Prior to this Jan Ivar worked in the process industry for six years.

In October 2020, Lesley took up the position of Group Insurance Manager working with risk owners across the business to innovate, protect and drive value for Mainstream’s assets. Previously, Lesley was seconded to Mainstream Chile as and worked with the team to deliver US$1.2bn in project finance and led insurance for its 1.3 GW ‘Andes Renovables’ platform. 

Following Aker Horizons’ acquisition of a majority stake in Mainstream in May 2021 and the subsequent formation of a new Board of Directors, Lesley was appointed to the Board representing the O’Connor family interests. Previously, Lesley also served on the Mainstream Board of Directors from 2015 up to the date of the acquisition. 

She joined Mainstream as Development Project Manager in January 2012 and rotated through development, business development and commercial functions supporting origination in target markets and mergers and acquisitions.

She studied Management Science and Information Systems Studies in Trinity College Dublin and holds an MBA from IE Business School, Madrid.

Koichi Katayama joined Mitsui & Co., Ltd. in April 1995.

Since joining Mitsui & Co., Ltd., most of his career has been spent in the Infrastructure
Projects Business Unit, helping to develop many infrastructure projects in power, oil & gas,
water, and logistics. This work has involved EPC management, project financing, investment,
M&As, and O&M oversight.

During his career, he has held several management and leadership roles, including
development of thermal power projects in Asian countries and primary energy projects in
Brazil, and the strategic planning of the Infrastructure Projects Business Unit. In the last
decade, he has been engaged in renewable energy projects, such as solar and onshore &
offshore wind power projects in Asia and Latin America.