SAP SE announced that Chief Innovation Officer Juergen Mueller will join the company's Executive Board as head of Technology and Innovation, effective January 1, 2019. Mueller has held his current role since 2016. He will retain his existing areas of responsibilities, and as member of the board he will also oversee SAP's platform and development business. Effective January 1, 2019, Bernd Leukert and Michael Kleinemeier will jointly lead SAP Digital Business Services. Kleinemeier will retire from the company's Executive Board at the end of 2019 and Leukert will become sole head of the business. Also effective January 01, 2019, Christian Klein, head of Global Business Operations and chief operating officer of SAP, will assume responsibility for SAP S/4HANA, SAP's product. This means that all the company's core applications units will report directly to the Executive Board.