He initiated the development of The combination and application System that became the NetWeaver System.[1] In 2015, SAP exceeded its income projections due to the expansion in its cloud enterprise and the achievement of SAP HANA. The growth will also be partially attributed for the acquisitions of Concur and Fieldglass. https://www.ecom-group.com/training-events/case-study-apply-the-sap-enterprise-architecture-framework-along-an-architecture-development-cycle-iea10/