Stefan Siebenberg Email & Phone Number

VP Defense Industry T-Systems @ T-Systems International

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Stefan Siebenberg Location

Hamburg, HH, DE

Stefan Siebenberg Work

2024 - now VP Defense Industry T-Systems @ T-Systems International
2024 - 2024 Director Operations Security - Defense Industry @ T-Systems International
2019 - 2024 AIDA IT Director @ AIDA Cruises

2019 - 2019 IT Director - Guest and Business Applications @ AIDA Cruises
2017 - 2019 Managing Director Technology, Finance and Business Development @ HQ-Patronen GmbH
2015 - 2017 Managing Director B2C, IT, Finance, Procurement and HR @ HQ-Patronen GmbH
2014 - 2015 Interim Manager Finance, IT, B2C (Online Marketing) @ HQ-Patronen GmbH
2013 - 2014 Senior Consultant and Interim Manager @ RD & S Solution GmbH
2011 - 2013 Managing Director MicronNexus – TUI Travel PLC – A and D @ TUI
2007 - 2011 Managing Director MicronNexus – TUI Travel PLC – E-Commerce @ TUI

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Stefan Siebenberg Education

Universität Hamburg
2000 - 2003
Hamburg University of Technology
1994 - 1997
Heinrich-Heine Grammar School
1993

Stefan Siebenberg Skills

B2B
Business Travel
Project Management

Travel Management
Online Advertising
E-commerce
Online Travel
Digital Transformation
Hotels
Business Strategy

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Stefan Siebenberg Summary

Stefan Siebenberg, based in Hamburg, HH, DE, is currently a VP Defense Industry T-Systems at T-Systems International. Stefan Siebenberg brings experience from previous roles at T-Systems International, AIDA Cruises and HQ-Patronen GmbH. Stefan Siebenberg holds a 2000 - 2003 Universität Hamburg. With a robust skill set that includes B2B, Business Travel, Project Management, Travel Management, Online Advertising and more. Stefan Siebenberg has 3 emails and 2 mobile phone numbers on RocketReach.

Stefan Siebenberg Emails

Found 3 emails

Stefan Siebenberg Phone Numbers

Found 6 phone numbers

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