Mark Düsener

Chief Tech/Sci/R&D Officer at SWISSCOM AG

Net worth: 166 836 $ as of 31/05/2026

52 year

Communications

Technology Services

Profile

Mr. Mark Düsener is a Head-IT, Network & Infrastructure at Swisscom AG.
Mr. Düsener was previously employed as a Managing Director by Deutsche Telekom Healthcare & Security Solutions GmbH, a Managing Director by T-Systems International GmbH, a Senior Manager-Technology Strategy by Vodafone Group Services GmbH, a Head-Technology by o.tel.o GmbH, and a Technology Manager by Vodafone Group Services GmbH.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
SWISSCOM AG 0%	31/12/2025	195 ( 0% )	166 836 $	31/05/2026

Mark Düsener active positions

Companies	Position	Start
SWISSCOM AG	Chief Tech/Sci/R&D Officer	01/09/2024

All active positions of Mark Düsener

Former positions of Mark Düsener

Companies	Position	End
Deutsche Telekom Healthcare & Security Solutions GmbH Deutsche Telekom Healthcare & Security Solutions GmbH Information Technology ServicesTechnology Services 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

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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 Information Technology ServicesTechnology Services Provides computer facilities management activities	Technology Services