Walter Sedlacek is the head of the Project Management Office for T-Systems U.K. He has a Master of Science in Telecommunication Management from Danube University of Krems, and a Masters of Science in Physics from the University of Vienna, as well as an MBA from Alaska Pacific University.

Since 2005, Mr. Sedlacek has taught classes in technical and management subjects as a guest lecturer at the Danube University Krems and at a number of vocational colleges. Prior to his work at T-Systems, Mr. Sedlacek was an IT Infrastructure Manager, and subsequently, the CIO for General Motors Powertrain Austria. He has also had extensive experience abroad, including in the United Kingdom, the United States, France, and Russia.