Marcell Vollmer is Chief Innovation Officer at Celonis and responsible for defining and driving innovations and digital transformation for customers globally. A thought leader in procurement, supply chain, finance and shared services. His expertise lies in defining digital strategy for customers by delivering transformation success and process productivity gains. Previously, he was Chief Digital Officer in SAP’s Cloud Business Group and COO for SAP Ariba where he successfully developed and led global business development, go to market, sales operations, and enablement. Prior to that Marcell was Chief Procurement Officer of SAP and held various leadership roles including restructuring, improving project efficiency and execution of global programs in finance, procurement, sales, human resources and post-merger integrations.