Your Expert Partner in Fusion Energy

IZI Fusion SRL is a Brussels-based consultancy firm specializing in fusion energy development.
Our expertise spans:


  • Fusion physics and technology
  • Strategic insights
  • International collaboration
  • Programme and project management

We maintain privileged links with leading research labs, EU institutions, and global fusion organizations. We are a small, efficient team dedicated to providing sharp, expert advice.

Discover Immediate Fusion Opportunities

Understanding fusion physics, mastering fusion technologies, and being familiar with the current R&D landscape is crucial. Whilst long-term opportunities are evident, short- and medium-term opportunities are already available. Engage with IZI Fusion to leverage your business position effectively today.

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David Maisonnier

David Maisonnier

Founder and CEO of IZI Fusion SRL, a small consulting company specialised in fusion energy development. He is currently an advisor to the European Commission (1), chairs the International Energy Agency (IEA) Fusion Power Coordinating Committee (FPCC), and is a senior member the EUROfusion DEMO Central Team.



Education


Engineering Degree in Mechanics and Civil Engineering from the École Centrale Nantes (FR), PhD in Robotics from Nantes University (FR).


Professional Experience


D. Maisonnier started his career as an EU grant holder in 1983 in JET (UK), before joining the Robotics Department of the Commissarial à L'Énergie Atomique (France) in 1986. Between 1988 and 2008 he worked in the NET/EFDA Team in Garching, Germany, as leader of the Remote Maintenance group until 2000 and, later, responsible for the European Fusion Power Plant Conceptual Studies and for the European ITER site studies.


In 2008 he moved to the Headquarters of the European Commission in Brussels, Belgium, responsible inter alia for the operation of the JET facilities and for DG RTD contribution to the Broader Approach Agreement between the European Union and Japan. In 2019 he also took responsibility for the Sector "Euratom Research International Cooperation".


Between May 2022 and April 2024 he joined the Swiss Plasma Centre of the École Polytechnique Fédérale de Lausanne (CH). He was a leading member the EUROfusion DEMO Central Team and an advisor to the European Commission.


D. Maisonnier is a specialist in remote maintenance and RAMI (reliability, availability, maintainability, and inspection), in fusion technologies, and in fusion power plant studies. He has a significant experience in project and programme management and in the setting up and supervision of international cooperation agreements. He was involved in the cost review of several major fusion devices and in the elaboration of input documents for the EU fusion development strategy.


(1) Formally "Active Senior" advising the Head of Unit "Euratom Research" in the Directorate General for Research and Innovation.