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CEO of poseidon diving group

Experience

Jonas Brandt has many years of experience in the industrial and technology sector, with a background in mechanical engineering. He has previously held roles within the automotive and automation industries, working with advanced systems, production environments and project management related responsibilities. Over the years, Jonas has built strong expertise in leadership, product development, strategic planning and international business operations.

In his current role at Poseidon Diving Group, Jonas is responsible for overall management, corporate strategy, operational performance and global business development. He plays a key role in the company’s international expansion and innovation efforts within professional and civilian breathing systems. Jonas contributes with a combination of technical depth, structured leadership and a strong ability to align overall excellence with commercial growth.

Education: BSc in Mechanical Engineering, Chalmers University of Technology

Group Finance manager

Experience

Mikaela has extensive experience in finance and accounting, with a background that spans both operational and strategic financial work. She has held key responsibilities across several subsidiaries within Argo Defence Group, where she has managed bookkeeping, financial reporting, payroll, reconciliations, budgeting and the Group’s ongoing accounting processes. Her deep understanding of group structures, internal controls and regulatory requirements provides a solid basis for supporting the organisation’s financial governance, compliance and reporting frameworks.

Mikaela is recognised for her structured and analytical work style, her precision in financial oversight and her strong ability to manage complex financial workflows. Through her broad involvement across the Group’s companies, she contributes continuity, process expertise and a practical understanding of day-to-day financial management. Her work plays an important role in ensuring transparency, accuracy and stability in the Group’s financial operations.

Head of investor relations & communications

Experience

Isabelle has experience in project management, procurement, sales, customer relations, and corporate communication. At Swedish Net Air & Defence, she has supported public procurement processes, contributed to structured project delivery and managed key documentation and communication flows. Her structured approach and experience working in regulated environments form a strong foundation for her investor-facing responsibilities.

She has also contributed to developing the Group’s digital and communication framework, including its Investor Relations structure, website architecture and external messaging. This work has provided her with valuable insight into capital market communication and the requirements for transparent and compliant reporting.

As Head of Investor Relations & Communications for Argo Defence Group, Isabelle is responsible for the Group’s IR platform, investor communication and digital presence. She contributes with a strategic mindset, analytical abilities and a cross-functional perspective that supports both governance processes and the Group’s external positioning.

Education: Bachelor of Science in Business Administration and Bachelor of Science in Informatics, Södertörn University.

Head of Business Development Ukraine

Experience

Fredrik brings over 30 years of experience in the defense sector, primarily through his long-standing career with the Swedish Armed Forces. His distinguished background includes service as a lieutenant colonel and doctoral studies at the Swedish Defence University. His expertise spans mine clearance, strategic consulting and leadership roles in both military and civilian contexts, including senior positions at the Swedish EOD and Demining Centre (SWEDEC). He has served as an advisor to multiple countries, including Ukraine and has worked in war-torn regions supporting security, reconstruction and stabilization efforts.

In his current role as CEO of Disarmament Solutions Ukraine, Fredrik leads the company’s operations in one of the world’s most complex and urgent environments. He also serves as Business Development Manager for the Group’s Ukraine initiative, driving the development of innovative capabilities and partnerships. His deep field experience, strategic insight and strong commitment to humanitarian and security-driven innovation are central to the Group’s mission and long-term presence in the region.

Education:

  • Doctoral studies in Risk Management, Swedish Defence University & Lund University of Technology
  • Master’s Degree in Military Technology (HSU-T), Swedish Defence University
  • Bachelor’s Degree in Civil Engineering, Blekinge Institute of Technology

interim Chief financial officer (cfo)

Experience

Nicklas is a senior finance executive with more than 20 years of experience in financial leadership, corporate reporting and structured finance. He has served in CFO and Country Manager roles across both international and listed companies, consistently focusing on financial governance, restructuring and organizational development. He also brings a strong background in treasury, accounting and operational finance.

As Interim CFO of Argo Group, Nicklas is responsible for financial planning, group reporting and internal controls. His role includes leading the development of the Group’s finance function, establishing efficient structures and routines and ensuring accurate and transparent communication with key stakeholders.

He brings extensive experience from his years as CFO at Frilans Finans, a listed company, where he led a comprehensive financial restructuring, strengthened board reporting processes and supported the company through a successful IPO. In addition, he spent over a decade at Deutsche Leasing, where he built and managed the Nordic operations, assuming full responsibility for financial performance, regulatory compliance and strategic development.

Education: Bachelor of Science in Business Administration with a specialization in Accounting & Finance, Stockholm University

Board Member

Experience

Year of board appointment: 2025

Magnus Ericsson has 30 years of experience in the construction and aggregates industry, with a background in operational leadership, business development and strategic management. He has held senior positions at Swerock AB, where he currently serves as Deputy Regional Manager with responsibility for regional operations and long-term development initiatives.

Over the years, Magnus has developed strong expertise in sustainability, industry collaboration and corporate governance, as well as extensive experience in stakeholder engagement. He also serves on the boards of Sveriges Bergmaterialindustri SBMI AB (Chairman since 2022), Kungsörs Grusaktiebolag (since 2009) and Svenskt Näringsliv (since 2022).

In his role as board member at Argo Defence Group, Magnus contributes with deep industry knowledge, a strong professional network and valuable governance experience, supporting the company’s strategic growth and long-term objectives.

Board member

Experience

Year of board appointment: 2025

Anna Höjer has many years of leadership experience from the defence, transport and high-tech industries. She has previously held senior executive positions at Saab and Bombardier Transportation and served as CEO of Transdev Sweden. Today, she runs her own company focusing on executive management, senior advisory and board assignments.

Throughout her career, Anna has built strong expertise in business transformation, strategy and driving profitable growth in complex international environments.

In her role as board member at Argo Defence Group, Anna contributes with broad industry experience, strong leadership skills and deep knowledge of change management and strategic development, supporting the company’s growth and competitiveness in both national and international markets.

Education: Master of Science in Mechanical Engineering from Luleå University of Technology.

CEO of Swedish Net Air & Defence and Deputy CEO of Argo Defence Group

Experience

Year of board appointment: 2025

Mariem has over 25 years of international experience, having worked across multiple countries and industries. With a broad background in areas such as business development, finance, management, sales, procurement and logistics, she has developed a strong holistic perspective and the ability to navigate complex organizational environments. Her career includes key roles in management, business development, controlling and project management—particularly in projects involving multiple stakeholders.

She has many years of experience working with complex procurement financed by multilateral development organizations such as the UN and the World Bank. Her previous professional background includes positions at Business Sweden, Scania, The Coca-Cola Company and Shell.

In her current roles as CEO of Swedish Net Air & Defence and Deputy CEO of Argo Defence Group, Mariem is responsible for management, business development, sales and procurement. She plays a central role in driving both companies’ strategic initiatives and operational excellence, contributing with her extensive experience, cross-functional insight and leadership capabilities.

Education: Master of Science in Business and Economics with a specialization in International Business and Strategy, Uppsala University.

Founder & CEO of Argo Defence Group and Disarmament Solutions

Experience

Year of board appointment: 2025

Marcus has over 30 years of experience in various leadership and operational roles, with a strong background in project management and executive management. As the founder of both Argo Defence Group and Disarmament Solutions, he has played a central role in shaping the Group’s strategic direction and establishing its foundation within the defence and security industry.

Throughout his career, Marcus has held senior positions including CEO and project manager, with responsibilities spanning corporate management, business development, and operations. He possesses extensive expertise in project execution, leadership and strategic growth—particularly within security-related and technically complex projects.

In his current roles as CEO of Argo Defence Group and Disarmament Solutions, Marcus oversees overall management, finance, business development and sales. He continues to drive the Group’s growth and development, utilising decades of experience and a proven track record in delivering complex projects in sectors such as nuclear power, defence and aviation.

Chairman of the board

Experience

Year of board appointment: 2025

Lars Granbom has over 35 years of experience in the high-tech industry, with a strong background in wireless systems, communications and test solutions, particularly within the automotive and defence sectors. He has previously held senior roles in several technology companies and has extensive experience in leading young high-tech companies from idea stage to market establishment.

Over the years, Lars has built strong expertise in strategic management, corporate governance and business growth and has been involved in several successful IPO processes, including Gapwaves AB and Scandinavian Astor Group AB.

In his current role as Chairman of the Board at Argo Defence Group, Lars is responsible for leading the board, ensuring efficient governance and supporting the CEO in the company’s strategic planning. He plays a key role in providing the company with long-term direction and creating conditions for sustainable growth and innovation.

Education: Master of Science in Electrical Engineering, Chalmers University of Technology — specialization in wireless communication, antennas, radar sensors, and high-frequency engineering.