Meet Martin Sion, Alstom COO — Bio + How to Reach Out

Last updated: 2025-12-13

Who is Martin Sion?

Martin Sion is the upcoming Chief Executive Officer of Alstom, appointed effective April 1, 2026. He has a strong background in aerospace and engineering, with leadership roles in propulsion and aerospace technology. Sion has extensive experience in management, technical development, and international business.

Martin Sion's Work History

Martin Sion has a diverse career in aerospace, engineering, and management, with leadership roles at Safran Aircraft Engines and Société Européenne de Propulsion. He has been involved in technical innovation, strategic management, and international operations, contributing significantly to the aerospace industry.

• 1990 - 2005 - Various engineering positions, Head of Technical Department, Head of Improvement Strategy Department, Head of Build-up and Equipment, Snecma/Safran Aircraft Engines
• 2005 - 2009 - Head of Technical Department, Improvement Strategy Department, Head of Build-up and Equipment, Snecma (Safran Aircraft Engines)
• 2009 - 2014 - Head of the Technical Department of Snecma’s Space Engines Division, Snecma (Safran Aircraft Engines)
• 2014 - 2018 - Various leadership roles in aerospace technology and management, Safran Aircraft Engines
• 2025-04-01 - Chief Executive Officer, Alstom

Martin Sion's Education

Martin Sion graduated from École Centrale de Paris and completed a stint at Sandia National Laboratories in the United States. He has held various technical and management roles in aerospace and propulsion industries.

• École Centrale de Paris - Engineering Degree in Engineering
• Sandia National Laboratories - Research and Development (1990 - 1990)

How to Reach Martin Sion?

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