Thomas Sieber

Chairman at

Axpo Holding AG

63 year

79 connections

Technology Services

Electronic Technology

Utilities

Profile

Thomas Sieber currently works at Axpo Holding AG, as Chairman from 2016, Limmex AG, as Chairman-Supervisory Board, GARAIO AG, as Director from 2013, and HCL Technologies Ltd, Helsingin sivuliike, as Independent Director.
Mr. Sieber also formerly worked at Salt Mobile AG, as Chairman-Supervisory Board from 2013 to 2015, HCL Technologies Ltd., as Independent Non-Executive Director from 2015 to 2025, HP, Inc., as General Manager-Small & Medium Enterprise, RTX A, as Member-Supervisory Board, the University of St. Gallen, as Faculty Member in 2002, and Fujitsu Technology Solutions GmbH, as Executive Vice President-Sales.
Mr. Sieber received his graduate degree in 1987 from the University of St. Gallen.

Thomas Sieber active positions

Companies	Position	Start
GARAIO AG GARAIO AG Information Technology ServicesTechnology Services Provides software development and digital transformation services	Director/Board Member	01/03/2013
Limmex AG	Chairman	-
Axpo Holding AG Axpo Holding AG Alternative Power GenerationUtilities Engages in production and trading of solar & wind energy	Chairman	01/03/2016
HCL Technologies Ltd, Helsingin sivuliike	Director/Board Member	-

All active positions of Thomas Sieber

Former positions of Thomas Sieber

Companies	Position	End
HCL TECHNOLOGIES LIMITED	Director/Board Member	26/08/2025
Salt Mobile AG Salt Mobile AG Wireless TelecommunicationsCommunications Provides wireless telecommunications services	Chief Executive Officer	31/12/2015
University of St. Gallen University of St. Gallen Other Consumer ServicesConsumer Services Functions as a College/University	Corporate Officer/Principal	01/01/2002
HP INC.	Corporate Officer/Principal	01/01/2001
Fujitsu Technology Solutions GmbH Fujitsu Technology Solutions GmbH Information Technology ServicesTechnology Services Provides IT, AI, blockchain and security services	Sales & Marketing	-

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Linked companies

Private companies	10
HP, Inc. HP, Inc. Information Technology ServicesTechnology Services Operates as a technology company that sells laptops, pc desktops, printers and accessories through online	Technology Services
HCL Technologies Ltd. HCL Technologies Ltd. Information Technology ServicesTechnology Services Operates as a global information technology services company that provides software, IT infrastructure and business process outsourcing services	Technology Services
RTX A/S RTX A/S Telecommunications EquipmentElectronic Technology Designs and manufactures wireless short-range radio systems and products	Electronic Technology
Axpo Holding AG Axpo Holding AG Alternative Power GenerationUtilities Engages in production and trading of solar & wind energy	Utilities
Salt Mobile AG Salt Mobile AG Wireless TelecommunicationsCommunications Provides wireless telecommunications services	Communications
University of St. Gallen University of St. Gallen Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Fujitsu Technology Solutions GmbH Fujitsu Technology Solutions GmbH Information Technology ServicesTechnology Services Provides IT, AI, blockchain and security services	Technology Services
GARAIO AG GARAIO AG Information Technology ServicesTechnology Services Provides software development and digital transformation services	Technology Services
Limmex AG
HCL Technologies Ltd, Helsingin sivuliike