Philippe Rosier, head of Solvay Energy Services since 2012, has succeeded Olivier Ferrary as president of Solvay Acetow, the company said.

Solvay Acetow, a unit of the Solvay Group of chemical and plastics companies, is a leader in the manufacture of cellulose acetate tow for cigarette filters and a supplier of cellulose acetate flake to the textile industry. Solvay Acetow operates five manufacturing sites around the world.