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Dr. Lisa Badstieber

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Dr. Lisa Badstieber
Since October 2022, Lisa Badstieber has been responsible for Human Capital Management (HCM) and Human Experience Management (HXM) at T-Systems with a focus on SAP. The HR specialist has also been a freelance lecturer at the Austrian Institute of Management...

Andrej Schreiner

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Andrej Schreiner
Andrej Schreiner is the Product Lead for AI in the CTO Office at T-Systems International GmbH, playing a pivotal role in the strategic development of AI solutions. With a rich foundation in engineering and product management, he focuses on developing AI...

Lydia Delyova

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Lydia Delyova
After graduating with a Master’s degree in Air Transport Management in 2012, Lydia started her career as a Junior AIX Administrator. She dedicated five years to this role, becoming an IBM Certified System Expert and later a Project Lead for two more years.

Dipl. Ing. Manfred Rothemund

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Dipl. Ing. Manfred Rothemund
Manfred Rothemund studied plastics technology at the Darmstadt University of Applied Sciences. He joined T-Systems in 2017 as Strategic Business Investment Manager and has since led various initiatives in the CTO area. Before T-Systems, Manfred was Senior...

Dirk Backofen

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Dirk Backofen
Dirk Backofen is responsible for the Digital Identity Business of Deutsche Telekom and T-Systems. In this role, he is responsible for a new business unit that includes all identity technologies such as EUDI Wallet, eID, Smart eID and OIDC.
Dirk coordinates...

Volker Rieger

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Volker Rieger
Volker Rieger works as Managing Partner at Detecon International GmbH, the advisory arm of T-Systems. He is responsible for Detecon’s consulting business in the energy industry. For more than 20 years, he has been advising national and international clients...

Stephan Kaulbach

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Stephan Kaulbach
Stephan Kaulbach is Chief Technology Officer in the Public Transport division at T-Systems. With over 25 years of experience in the IT industry and a clear focus on digitalization and digital transformation, he brings extensive expertise from international...

Andreas Schmidt

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Andreas Schmidt
Andreas has been part of the Telekom family since 1986 and has worked for various divisions during this time. Since 2000, he has been an expert in SAP solutions at T‐Systems International. After starting as an ABAP developer 20 years ago, he soon became...

Christian Lanzendorf

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Christian Lanzendorf
Since 2020, Christian Lanzendorf has been working at T-Systems International GmbH in the Industry Line Financial Services & Insurance. As the Head of the Competence Center, he is the Business Lead of the Industry Line, in charge of the industry-relevant...

Dr. Martin Reti

  1. Homepage
  2. Insights
  3. Newsroom
  4. Expert Blogs
  5. Authors overview
  6. Dr. Martin Reti
With a background of some 20 years in the IT industry, Martin is an experienced author, speaker and consultant on a wide range of digitization topics.
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