The browser version you are using is not recommended for this site.
Please consider upgrading to the latest version of your browser by clicking one of the following links.

  • Adoption Story: Cloud Tech Solution at Intel IT
  • Position Paper - How We Define the Open Cloud
  • White Paper - ODCA Drives T-Systems Cloud Technical Solution
  • ODCA Cloud Adoption Survey - 2014
  • ODCA Usage Model: Cloud Maturity Model Rev. 2.5
  • ODCA Usage Model: Cloud Infrastructure Rev. 1.0
  • ODCA and China UNICOM publishes white paper on the development of cloud technology for enterprises

Accelerating adoption and shaping the future of cloud computing


Learn about ODCA usage models. Hear industry leaders share best practices and further your insight on adoption through webcasts and videos. Join us and share your success story.


Use the ODCA tools to start building your RFPs and find cloud services and providers who match your organization’s needs. Learn more about ODCA members.


Find out how the ODCA influences the industry standards by working with leading standard bodies to shape the future of cloud computing. Join us in promoting open cloud standards and interoperable solutions.


The ODCA drives the next generation of cloud computing by developing new requirements and usage models. Help us accelerate the adoption of cloud technology.

Reyk Bederke

Reyk Bederke
Consulting Executive Director,

T-Systems shapes the networked future of business and society and creates value for customers, employees and investors thanks to innovative ICT solutions. Drawing on a global infrastructure of data centers and networks, T-Systems operates information and communication technology (ICT) systems for multinational corporations and public sector institutions. T-Systems provides integrated solutions for the networked future of business and society.

Reyk works as Vice President of Applications & Portfolio Architecture in T-Systems. He is responsible for developing and commercially managing the non-SAP application portfolio of T-Systems and also for architecting the IT portfolio of T-Systems in general as well.

After his studies in mechanical engineering in Germany and Ireland, Reyk joined the Daimler Chrysler IT Services in 1996. Since 2002 he has worked for T-Systems International and held various different roles in operations, engineering and architecture. In 2004 Reyk led the design and implementation for the first T-Systems cloud services implementation “Dynamic Services”. In 2008 he took on the challenging role as CTO for one of the largest international client accounts. Reyk held this position for three years to broaden his view and knowledge.

Reyk’s strength and passion is in developing new products and solutions. After having done this for many years in infrastructure, he is now focusing on cloud and cloud solutions. Because of his work and the achievements for the company, T-Systems appointed Reyk in 2013 to a fellow in the product portfolio space.

ODCA logo 

Opportunities for Engagement

Define RFPs based on our usage models by matching cloud services to our requirements.

Cloud Expert Network

Raise your hand and join our Cloud Expert Network, the ODCA brain trust for meeting today’s cloud challenges and accelerating adoption.

Join the conversation
Avatar Open Data Center

The Second Machine Age – How DevOps radically shifts organizations to accelerate to survive More

Avatar Open Data Center

Watch @opendatacenter webinar: Coexistence of #Cloud & Enterprise IT. #hybridcloud #cloudcomputing More

Avatar Open Data Center

Watch @opendatacenter webinar: Coexistence of #Cloud & Enterprise IT. #hybridcloud #cloudcomputing More


Back To Top