As part of her new role, Ivcheva will oversee the company's operations in Bulgaria, Serbia, Slovenia, Croatia, North Macedonia, Montenegro, Bosnia and Herzegovina, Kosovo and Albania, Sanofi Genzyme said in a statement.
Ivcheva will also retain her position as managing director of Sanofi Genzyme's Bulgarian office, the company said.
Sanofi Genzyme is a unit of French pharmaceutical giant Sanofi.