Dr. Wieland Schreiner

Aareon Group

Mainz, Rhineland-Palatinate, Germany

About

Experience

  • Chief Technology Officer at Aareon Group
    Oct 2025 - Present · 9 mos

    I focus on driving technological progress with clear impact on our customers and helping them to shape the future of digital property management.

  • Non Executive Board Member at Lemongrass
    Oct 2025 - Present · 9 mos

    I provide advice, insight and support to the CEO and Board regarding items related to the Company that the CEO may present to the Advisory Board for their input and involvement.

  • SAP (28 yrs 9 mos)
    • Senior Vice President in Early Retirement
      Jan 2026 - Present · 6 mos

      Since begin of January, 2026, I'm part of the ERP of SAP :-) ERP = Early Retirement Program. I wish all my friends at SAP and our SAP all the best!

    • Senior Vice President SAP Application Life Cycle Management
      Apr 2019 - Dec 2025 · 6 yrs 9 mos

      We live the culture of cloud native development for SAP Cloud ALM with DAILY deployments to all our customers and evolve data driven innovation based on SAP's data lake, artificial intelligence and machine learning to an autonomous service and support experience to transform SAP Support Business globally. We double our SAP Cloud ALM customer number every year since 2021 to actually 12'000+ customers on 8 data centers around the globe and plan to do so for the years to come.

    • Executive Vice President for S/4HANA, Products & Innovation
      Oct 2014 - Apr 2019 · 4 yrs 7 mos

      In October 2014, I was appointed to the Global Executive Team. As an Executive Vice President for SAP S/4HANA, I set the direction to steer innovation and delivery of SAP Business Suite 4 HANA (short name: SAP S/4HANA). I run SAP S/4 HANA from its first day till the first 1'000 customers globally.

  • Scheer IDS (On-site)
    • Consulting Director
      Jan 1996 - Sep 1997 · 1 yr 9 mos

      In 1996, I got promoted to consulting director with my own team and profit center. In addition, I held the position of a SAP/IDS alliance manager reporting to the IDS Executive Board.

    • Senior Consulting Project Manager
      Jan 1994 - Dec 1995 · 2 yrs

      In this position, I led large SAP implementations in the Process Industry in 1995 as project manager in Germany and the US.

  • Junior Software Engineer at Tränkner Chemie Gerd Schreiner GmbH
    Jul 1987 - Jul 1994 · 7 yrs 1 mo

    I supported the Business of my father in several roles from Software development and support (home grown ERP based on Clipper), in Production, active Sales in the Field, and Management together with the CEO, my Father.