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Mark Düsener
Net worth: 141 883 $ as of 31/12/2025
Profile
Mark Düsener currently works at Swisscom AG, as Head-IT, Network & Infrastructure from 2024.
Mr. Düsener also formerly worked at T-Systems International GmbH, as Managing Director from 2019 to 2020, Deutsche Telekom Healthcare & Security Solutions GmbH, as Managing Director from 2019 to 2020, o.tel.o GmbH, as Head-Technology from 2008 to 2009, Vodafone Group Services GmbH, as Manager-New Business Development from 2005 to 2007, and Vodafone Group Services GmbH, as Head-Strategic Planning, Partner & Carrier from 2015 to 2017.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 31/12/2024 | 195 ( 0% ) | 141 883 $ | 31/12/2025 |
Mark Düsener active positions
| Companies | Position | Start |
|---|---|---|
| SWISSCOM AG | Chief Tech/Sci/R&D Officer | 01/09/2024 |
Former positions of Mark Düsener
| Companies | Position | End |
|---|---|---|
Deutsche Telekom Healthcare & Security Solutions GmbH
 Deutsche Telekom Healthcare & Security Solutions GmbH Provides computer facilities management activities | Chief Executive Officer | 01/01/2020 |
T-Systems International GmbH
 T-Systems International GmbH Information Technology ServicesTechnology Services Provides digital, cloud and security services | Chief Executive Officer | 01/01/2020 |
Vodafone Group Services GmbH
 Vodafone Group Services GmbH Specialty TelecommunicationsCommunications Provides data center and business supporting services | Corporate Officer/Principal | 01/01/2017 |
o.tel.o GmbH
 o.tel.o GmbH Specialty TelecommunicationsCommunications Provides telecommunications services | Chief Tech/Sci/R&D Officer | 01/01/2009 |
Vodafone Group Services GmbH
Vodafone Group Services GmbH Specialty TelecommunicationsCommunications Provides data center and business supporting services | Chief Tech/Sci/R&D Officer | 01/01/2007 |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Swisscom AG
 Swisscom AG Major TelecommunicationsCommunications Operates as a telecommunication company that provides mobile and fixed-line services | Communications |
o.tel.o GmbH
o.tel.o GmbH Specialty TelecommunicationsCommunications Provides telecommunications services | Communications |
T-Systems International GmbH
T-Systems International GmbH Information Technology ServicesTechnology Services Provides digital, cloud and security services | Technology Services |
Vodafone Group Services GmbH
Vodafone Group Services GmbH Specialty TelecommunicationsCommunications Provides data center and business supporting services | Communications |
Deutsche Telekom Healthcare & Security Solutions GmbH
Deutsche Telekom Healthcare & Security Solutions GmbH Provides computer facilities management activities |
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