SAP Project Manager Marius Thammer and software engineer Lisa Nemeth of international chemical company Wacker Chemie AG described the company's UX journey with S/4HANA and SAP Fiori. The German multinational company started its SAP digital transformation in 2017 and went live with one central SAP Core System across its global plants and technical centers and an on-premise SAP S/4HANA system in its central data center in Munich in May 2020.