Sébastien Rouge began his career in 1992 as a financial controller at Faurecia.

Five years later he was named CFO of Invensys, before being appointed Graham Packaging’s controller for Europe in 1999. In 2002, he moved to the Alstom group where he was vice-president, finance for southern Europe at Alstom Transport and senior vice-president, finance at Alstom Power.

In 2015, he was appointed Chief Executive Officer of the joint venture between GE and Alstom Nuclear Systems and CFO of Steam Power Systems, an arm of GE Power.

In 2019, Sébastien Rouge was appointed Chief Financial Officer of Soitec. 

Sébastien Rouge was appointed Chief Financial Officer of Imerys, member of its Executive Committee as of August 2, 2020, and oversees Finance and IT functions.