About Dieter
English
Fluent
German
Native or bilingual
Experience
- AHLERS CONSULTINGSenior Interim PMO Manager | Senior Program Manager | Transformation ManagerDIGITAL AND ITFebruary 2026 - Today (5 months)Aachen, NW, Germany• Available for mandates in PMO/TMO setup, program management, transformation, digitalization, and operating model optimization.• Focus on governance, reporting, portfolio management, restructuring, and stabilization in demanding change situations.• Usable at management and CxO level in medium-sized and international organizations.
- RICOH DEUTSCHLAND GMBHManager Project Management OfficeDIGITAL AND ITMay 2023 - January 2026 (2 years and 8 months)Hannover, Germany• Setup and management of a cross-functional PMO to steer strategic transformation and optimization programs.• Introduction of governance, portfolio, roadmap, and reporting structures in close collaboration with management.• Professionalization of the project landscape through frameworks, coaching, and clear control mechanisms; increasing PMMM from level 1 to 3.
- RICOH DEUTSCHLAND GMBHHead of Support ServicesDIGITAL AND ITDecember 2018 - April 2023 (4 years and 4 months)Hannover, Germany• Management of a 3rd level support unit (hardware, software, training).• Implementation of operational optimization measures and further development of support structures.• Measurable improvements through reduced workload, higher service quality, and recognition for excellent employee leadership.
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Education
- Diplom-IngenieurRWTH Aachen UniversityDiplom-Ingenieur