Gunter Thielen

Chief Executive Officer at Walter Blüchert Stiftung

81 year

Consumer Services

Commercial Services

Finance

Profile

Gunter Thielen is currently the Chairman-Executive Board of Walter Blüchert Stiftung and the Chairman of Mayen Telekomünikasyon Hizmetleri AS.
He is also a Professor at the University of Witten.
In the past, he served as the Chairman-Executive Board & CEO of Verlag Bertelsmann Stiftung, Chairman-Supervisory Board of Bertelsmann SE & Co. KGaA, Sixt SE, Sixt Allgemeine Leasing GmbH & Co. KGaA, and Director of Sanofi and RTL Group SA. He was also the Independent Non-Executive Director of Groupe Bruxelles Lambert SA. Thielen was the Chairman-Supervisory Board of Gruner + Jahr Deutschland GmbH and arvato AG.
He was also the Chairman-Supervisory Board of Leipziger Messe GmbH for a brief period.
Thielen holds a doctorate degree from RWTH Aachen University.

Gunter Thielen active positions

Companies	Position	Start
University of Witten/Herdecke	Corporate Officer/Principal	01/11/2011
Walter Blüchert Stiftung	Chief Executive Officer	-
Mayen Telekomünikasyon Hizmetleri AS Mayen Telekomünikasyon Hizmetleri AS Miscellaneous Commercial ServicesCommercial Services Part of Majorel Group Luxembourg SA, Mayen Telekomünikasyon Hizmetleri AS is a telecommunications company based in Istanbul, Turkey. The Turkish company engages in the telecommunications industry. The company was founded in 2004 and Soner Cesur has been the CEO of the company since 2014. Mayen Telekomünikasyon Hizmetleri AS was acquired by Majorel Group Luxembourg SA on January 01, 2022.	Chairman	-

All active positions of Gunter Thielen

Former positions of Gunter Thielen

Companies	Position	End
SIXT SE	Chairman	01/01/2017
Sixt Allgemeine Leasing GmbH & Co. KGaA	Chairman	12/08/2014
GROUPE BRUXELLES LAMBERT SA	Director/Board Member	23/04/2013
BERTELSMANN SE & CO. KGAA	Chairman	31/12/2012
Bertelsmann Management SE Bertelsmann Management SE Miscellaneous Commercial ServicesCommercial Services Bertelsmann Management SE is an international media enterprise with corporate divisions including RTL Group, Penguin Random House, and Gruner + Jahr. The private company is based in Gütersloh, DE and has a global presence of subsidiaries in several regions. The German company's Press Center provides detailed information for journalists, and the company is also committed to Corporate Responsibility activities. Thomas Hermann Rabe has been the CEO of the company since 2012.	Chairman	31/12/2012

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Training of Gunter Thielen

RWTH Aachen University

Doctorate Degree

Experiences
Positions held

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Inactive

Listed companies

Private companies

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Connections

1st degree connections

1st degree companies

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Female

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Executives

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Linked companies

Listed companies	4
RTL GROUP S.A.	Consumer Services
SIXT SE	Finance
GROUPE BRUXELLES LAMBERT SA	Finance
SANOFI	Health Technology

Private companies	9
Bertelsmann SE & Co. KGaA Bertelsmann SE & Co. KGaA Movies/EntertainmentConsumer Services Bertelsmann SE & Co. KGaA engages in the provision of services related to media and education. It operates through the following segments: RTL Group, Penguin Random House, Gruner + Jahr, BMG, Arvato, Bertelsmann Printing Group, Bertelsmann Education Group, and Bertelsmann Investments. The RTL Group segment specializes in radio and television production. The Penguin Random House segment publishes books. The Gruner + Jahr segment focuses on magazines. The BMG segment engages in music production. The Arvato segment offers technology services. The Bertelsmann Printing Group segment unites the printing activities of the Bertelsmann Group. The Bertelsmann Education Group segment encompasses the overall education business. The Bertelsmann Investments segment comprises start-up and fund investments. The company was founded by Carl Bertelsmann in 1835 and is headquartered in Guetersloh, Germany.	Consumer Services
Gruner + Jahr Deutschland GmbH Gruner + Jahr Deutschland GmbH Publishing: Books/MagazinesConsumer Services Gruner + Jahr Deutschland GmbH publishes printed and digital media products. The company distributes premium magazines under the STERN, GEO, BRIGITTE, ESSEN & TRINKEN, SCHÖNER WOHNEN, CHEFKOCH, BARBARA, BEEF, and 11FREUNDE brands. It also operates the international digital marketing platform AppLike. The company was founded by John Jahr, Sr., John Jahr, Gerd Bucerius, and Richard Gruner on June 30, 1965 and is headquartered in Hamburg, Germany.	Consumer Services
arvato AG arvato AG Miscellaneous Commercial ServicesCommercial Services arvato AG provides media and communication services. It offers after sales solutions which include repair and refurbishment services and ReCommerce lifecycle management services; corporate information management services, such as after sales information management, marketing procurement management, physical, and digital manuals. The company was founded in 1835 and is headquartered in Gütersloh, Germany.	Commercial Services
Sixt Allgemeine Leasing GmbH & Co. KGaA
Leipziger Messe GmbH Leipziger Messe GmbH Miscellaneous Commercial ServicesCommercial Services Leipziger Messe GmbH manages and organizes trade fairs. It engages in designing, organizing, and implementing congresses, guest shows, and show, sport and concert events, as well as other events and corporate business functions. The firm serves exhibitors and organizers. The company was founded in 1996 and is headquartered in Leipzig, Germany.	Commercial Services
Verlag Bertelsmann Stiftung Verlag Bertelsmann Stiftung Investment Trusts/Mutual FundsMiscellaneous Verlag Bertelsmann Stiftung engages in the provision of educational and social affairs non-profit services. It specializes in education, Europe, democracy, health, values, and economy. The company was founded by Reinhard Mohn in 1977 and is headquartered in Guetersloh, Germany.	Miscellaneous
Bertelsmann Management SE Bertelsmann Management SE Miscellaneous Commercial ServicesCommercial Services Bertelsmann Management SE is an international media enterprise with corporate divisions including RTL Group, Penguin Random House, and Gruner + Jahr. The private company is based in Gütersloh, DE and has a global presence of subsidiaries in several regions. The German company's Press Center provides detailed information for journalists, and the company is also committed to Corporate Responsibility activities. Thomas Hermann Rabe has been the CEO of the company since 2012.	Commercial Services
Walter Blüchert Stiftung
Mayen Telekomünikasyon Hizmetleri AS Mayen Telekomünikasyon Hizmetleri AS Miscellaneous Commercial ServicesCommercial Services Part of Majorel Group Luxembourg SA, Mayen Telekomünikasyon Hizmetleri AS is a telecommunications company based in Istanbul, Turkey. The Turkish company engages in the telecommunications industry. The company was founded in 2004 and Soner Cesur has been the CEO of the company since 2014. Mayen Telekomünikasyon Hizmetleri AS was acquired by Majorel Group Luxembourg SA on January 01, 2022.	Commercial Services