Yves Romestan has worked for global corporate companies such as Total, Lafarge, Banques Populaires Group, CEA, Bouygues, Brandt and Walgreens Boots Alliance.

He founded in 2019 the French-British YRSA Group, which includes a communication agency, a real estate company and a publishing branch.

[3][4][5][6] Romestan started in the Paris press office for French oil giant Total in 1979, dealing with challenges that included refining problems in Europe, political instability in the Middle East and Africa and competition issues.

[7] After 11 years, he moved to head up PR for the Commissariat à l'Energie Atomique, France's atomic energy commission.

Romestan then became Director of External Communications at Lafarge, where he developed international PR and financial comms to boost the brand awareness of the building materials company across the world.

In 2019, Romestan founded the French-British YRSA Group, which includes a communication agency, a real estate company and a publishing branch.