From rockets to rail: Martin Sion becomes Alstom’s new CEO

October 10, 2025

Starting in April, Martin Sion, currently executive chairman of European aerospace company ArianeGroup, will become the new CEO of French railway manufacturer Alstom. Sion will replace Henri Poupart-Lafarge, the current CEO. Poupart-Lafarge, who has been CEO of Alstom since 2016, announced in May that he would not be seeking a fourth term. Martin Sion had […]