Koppers Holdings Welcomes Stephanie Apostolou as Chief Legal and Sustainability Officer Koppers Holdings Inc. has appointed Stephanie Apostolou as the new Chief Legal and Sustainability Officer, enhancing leadership roles at the company.

Koppers Holdings Welcomes Stephanie Apostolou as Chief Legal and Sustainability Officer #United_States #Pittsburgh #Koppers_Holdings #Stephanie_Apostolou #Chief_Legal_Officer