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Holger Bergmann
Endgeräte Einkauf und Lieferantenmanagement(The company name is only visible to registered members)
- 53227 Bonn
- Germany
Personal information
- Groups
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Professional experience (18 years, 2 months)
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Feb 2011
- present
(1 year, 4 months)
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(Only visible for registered members)
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Feb 2011
- present
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Jan 2010
- Feb 2011
(1 year, 2 months)
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congstar GmbH - Gruppe Deutsche Telekom AG,, http://www.congstar.de
Industry: Telecommunication
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Jan 2010
- Feb 2011
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Dec 2006
- Dec 2009
(3 years, 1 month)
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Strategie und Innovation Manager
Deutsche Telekom AG, http://www.telekom.de
Industry: Telecommunication, ICT
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Dec 2006
- Dec 2009
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Feb 2006
- Nov 2006
(10 months)
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Deutsche Telekom AG, http://www.telekom.de
Industry: Telecommunication
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Feb 2006
- Nov 2006
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Mar 2003
- Jan 2006
(2 years, 11 months)
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Produktmanager Client Based Services
T-Traffic (T-Mobile International), http://www.t-mobile.de/navigate
Industry: Telecommunication, Informationstechnologie- und Dienste
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Mar 2003
- Jan 2006
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May 2002
- Feb 2003
(10 months)
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T-Mobile International, http://www.t-mobile.net
Industry: Telecommunication
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May 2002
- Feb 2003
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Jan 1999
- Apr 2002
(3 years, 4 months)
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Lucent Technologies, http://www.alcatel-lucent.com/de
Industry: Telecommunication
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Jan 1999
- Apr 2002
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May 1996
- Dec 1998
(2 years, 8 months)
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Industry: Consulting
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May 1996
- Dec 1998
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Jul 1996
- Jul 1997
(1 year, 1 month)
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Belgacom Mobile, http://www.proximus.be
Industry: Telecommunication
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Jul 1996
- Jul 1997
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Apr 1994
- Apr 1996
(2 years, 1 month)
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Industry: Telecommunication
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Apr 1994
- Apr 1996
- Employment status
- Employee
Educational background
- Languages
- German, English, French
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Contacts
Ulrike Stockmann, Justus Hopmann, Sebastian Ulrich, Christian Kaack(More contacts may only be viewed by registered member)