David Rex Email & Phone Number

Palo Alto, California, United States

**Lead SAP S/4HANA Implementation:** Spearheaded the deployment of SAP S/4HANA, resulting in a 30% increase in operational efficiency and a significant reduction in processing times across various business units.**Custom ABAP Development:** Developed and maintained over 50 custom ABAP programs, including reports, interfaces, conversions, enhancements, and forms (RICEF), to meet the unique needs of different departments.**SAP Fiori and UI5 Applications:** Designed and implemented intuitive SAP Fiori and UI5 applications, improving user experience and productivity by providing easy access to critical business functions on mobile and desktop platforms.

Istanbul, Türkiye

- **Full Lifecycle Implementation:** Led full lifecycle SAP projects, including requirements gathering, blueprinting, realization, testing, go-live, and post-go-live support. Successfully delivered projects on time and within budget.- **Cross-Functional Coordination:** Worked closely with business units, IT teams, and external consultants to ensure seamless integration and alignment of SAP solutions with business processes and objectives.- **Risk Management:** Identified project risks and developed mitigation plans to minimize impact. Conducted regular risk assessments and updated project plans accordingly.- **SAP Module Expertise:** Managed projects involving multiple SAP modules, including MM, SD, FI/CO, and HR. Ensured modules were configured to meet business requirements and integrated seamlessly with existing systems.- **User Training and Support:** Organized and conducted end-user training sessions, created training materials, and provided ongoing support to ensure successful adoption of new SAP functionalities.- **Performance Optimization:** Monitored system performance and implemented optimization strategies to enhance system reliability, scalability, and performance.