Oliver Olbrich

Chief Executive Officer

Oliver Olbrich was appointed member of the Management Board of TELES AG in January 2011. He has been working in the telecommunications sector since 1980 and began his professional career at Deutsche Telekom. From 1990 to 2000 he gained experience at Siemens in various functions and cultural areas. After working for Level3, Tiscali and British Telecom, Oliver Olbrich joined TELES AG in 2008, where he was responsible for service, technical sales, North American business and global sales. Since August 2011, he also heads the finance department of TELES AG. In July 2015 he was appointed Co-Chairman of the Management Board. Since July 2019 he is the sole Chairman of the Management Board.


Graduate Economist Joachim Schwarzer

Chairman of the Supervisory Board

Managing Director JKS Consulting Berlin GmbH, business consultancy, political consultancy; 2006 - 2015 German Executive Director of the European Bank for Reconstruction and Development (EBRD), London; 2000 - 2005 member of the management board (COO) TELES AG Informationstechnologien; from November 1998 Federal Ministry of Finance, a.o. Head of Department “Federal Budget”; 1996 - 1998 head of the office of the SPD party chairman; 1991 - 1995 Head of the Saarland Representation at the Federal Government; 1986 - 1991 personal advisor to the finance policy spokesman and deputy chairman of the SPD parliamentary group; 1985 diplomat at the Permanent Mission of the Federal Republic of Germany to the European Union, Brussels; 1980 - 1986 Federal Ministry of Economics.


Markus Gernot Schmieta

Deputy Chairman of the Supervisory Board

Studied law at the University of Hamburg; tax advisor since 2001; auditor since 2008; managing partner of SK-Treuhand Dr. Schmieta + Partner mbB auditing / tax consulting company, Hanover. Since 2017 member of the supervisory board of the "Gemeinde Wedemark Bau- und Entwicklungs-GmbH", Wedemark.



Hartmut Brand

Member of the Supervisory Board

Studied law at Bielefeld University; since 1992 lawyer; Main focus of work: labor and insolvency law, corporate law, restructuring of companies, in the period from 2011 to 2014 court-appointed supervisory board of the Steinfurt District Court in a family company.