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
- VP Defense Industry T-Systems @ (August 2024 - Present)
- VP Defense Delivery T-Systems @ (August 2024 - Present)
- Director Operations Security - Defense Industry @ (March 2024 - September 2024)
- AIDA IT Director @ (September 2019 - February 2024)
- IT Director - Guest and Business Applications @ (March 2019 - August 2019)
- Managing Director Technology, Finance and Business Development @ HQ-Patronen GmbH (August 2017 - February 2019)
- Managing Director B2C, IT, Finance, Procurement and HR @ HQ-Patronen GmbH (October 2015 - July 2017)
- Interim Manager Finance, IT, B2C (Online Marketing) @ HQ-Patronen GmbH (August 2014 - September 2015)
- Senior Consultant and Interim Manager @ RD & S Solution GmbH (April 2013 - July 2014)
- Managing Director MicronNexus – TUI Travel PLC – A and D @ (April 2011 - March 2013)
- Managing Director MicronNexus – TUI Travel PLC – E-Commerce @ (October 2007 - March 2011)
- Founder and Managing Director @ MicronNexus GmbH (January 2001 - September 2007)
- IT Consultant @ Self (July 1999 - December 2000)
- Senior IT Project Consultant @ Qiva/Thru Transport Systems Ltd. (November 1998 - June 1999)
- IT Consultant @ Qiva/Thru Transport Systems Ltd. (November 1997 - December 1998)
- IT Consultant @ Qiva/Thru Transport Systems Ltd. (May 1997 - April 1998)
- Data Analyst @ (March 1994 - March 1995)
Stefan Siebenberg Education
- University of Hamburg
Master of Business Administration - MBA (Business Administration)
2000-2003 - Hamburg University of Technology
Bachelor's degree (Industrial Engineering)
1994-1997 - Heinrich-Heine Grammar School
University entrance diploma
1993
Stefan Siebenberg Skills
- B2B
- Business Travel
- Project Management
- Travel Management
- Online Advertising
- E-commerce
- Online Travel
- Digital Transformation
- Hotels
- Business Strategy
- Yield Management
- Marketing Strategy
- Revenue Analysis
- Leisure Travel
- Affiliate Marketing
- Pricing
- Leisure
- Online Marketing
- SEO
- Conversion Optimization
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 and AIDA Cruises. Stefan Siebenberg holds a 2000 - 2003 Master of Business Administration - MBA in Business Administration @ University of Hamburg. With a robust skill set that includes B2B, Business Travel, Project Management, Travel Management, Online Advertising and more. Stefan Siebenberg has 2 emails and 3 mobile phone numbers on RocketReach.
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