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Jürgen Kreinz

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Jürgen Kreinz
Jürgen Kreinz has been working as a project and software asset manager at T-Systems International for 20 years. From software purchasing, transition and transformation projects to software asset management, he specializes in optimizing software use on existing...

Matthias Klein

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Matthias Klein
Matthias Klein has more than 20 years of operational experience with SAP technologies and more than a decade of project management experience in migration projects to cloud platforms.
After studying industrial engineering, he started his career in 1998 at a...

Ulrich Heister

  1. Homepage
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  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Ulrich Heister
With more than 25 years of experience in telecommunications and IT security, Ulrich Heister is now Vice President Fraud & Abuse Management for Deutsche Telekom. After studying information technology at RWTH Aachen, he worked in research for several years. He...

Ramona Qualitz

  1. Homepage
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  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Ramona Qualitz
Ramona Qualitz is Head of Websites & Content at T-Systems Digital Experience. A Senior Expert in digital marketing with over 20 years of professional experience. Award winning, author and moderator, Ramona has a multinational resume. Her professional focus is...

Marc Paschalis

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  4. Expert Blogs
  5. Authors overview
  6. Marc Paschalis
Marc has been involved with SAP solutions, their implementation and operation for more than twenty years. After studying at the Johann Wolfgang Goethe University in Frankfurt am Main, he supported numerous SAP rollouts in international companies such as LSG...

Ralf Hülsmann

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  4. Expert Blogs
  5. Authors overview
  6. Ralf Hülsmann
Ralf Hülsmann is a proven IT and cloud expert. He has been working as an Enterprise Architect at T-Systems since 2010 in various roles on the development of the cloud portfolio, working with partners, and strategy. Within the Strategy & CTO Office in the Cloud...

Christine Rösner

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  4. Expert Blogs
  5. Authors overview
  6. Christine Rösner
Darmstadt native Christine Rösner has a Diploma in Communications Engineering and a Master of Science in Marketing. She works as a system coach and has always been active in the field of innovation and digitalization. In the last few years she has been working...

Sushmita Kalashikar

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  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Sushmita Kalashikar
Sushmita is a successful IT professional with over 14 years of experience as a Content and Technical Writer. As an AWS Certified Cloud Practitioner, successfully leading PSA projects for T-Systems Managed AWS services, Sushmita perfectly manages her role as a Sr.

Marten Bütow

  1. Homepage
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  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Marten Bütow
Marten Bütow has been working at Deutsche Telekom since 2000. He began his career with the company at Telekom Central Billing Services and has been working in the collaboration and workplace services at T-Systems since 2003. His initial focus was the service...

Pavol Bauer

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Pavol Bauer
Pavol is a senior data scientist with 15 years of experience in IT and over 5 years of experience in the machine learning and artificial intelligence sector. At T-Systems, he is currently responsible for the development of cloud-native AI and data science...
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