![Tomas Duffy](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Fortuna: 6 M $ al 31/05/2026
Mr. Tomas Duffy is a Vice Chairman at Sivers Semiconductors AB and a Partner at Vigerna Consulting.
He is on the Board of Directors at Sivers Semiconductors AB, CST Global Ltd., Stella Tech AB and Stella Tech Distribution AB. Mr. Duffy was previously employed as a Chief Executive Officer by Halogen AB, a Chief Executive Officer by Net Insight AB, a Vice President by TeliaSonera AB, a Chief Executive Officer by Au-System Communication AB, a Business Area Manager by Exportkreditnämnden, a Chairman by Qall Telecom AB, a Chairman by Telia Norge AS, and a President & Chief Executive Officer by Teligent AB. He also served on the board at Swedish Institute, Telenor AB and Trio AB.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
SIVERS SEMICONDUCTORS AB 0,28 % | 25/03/2026 | 840.000 ( 0,28 % ) | 6 M $ | 31/05/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
| SIVERS SEMICONDUCTORS AB | Director/Miembro de la Junta | 01/01/2016 |
CST Global Ltd.
 CST Global Ltd. SemiconductorsElectronic Technology Manufactures semiconductors for fabrication of photonics products | Director/Miembro de la Junta | - |
Stella Tech Distribution AB
 Stella Tech Distribution AB Miscellaneous Commercial ServicesCommercial Services Provide corporate management, finance and information technology consulting services | Director/Miembro de la Junta | - |
Stella Tech AB
 Stella Tech AB Electronics/Appliance StoresRetail Trade Retails computers and video games & provides computer consulting services | Director/Miembro de la Junta | - |
Vigerna Consulting
 Vigerna Consulting Miscellaneous Commercial ServicesCommercial Services Provides corporate organization consulting services | Corporate Officer/Principal | - |
| Empresas | Cargo | Fin |
|---|---|---|
Teligent AB
 Teligent AB Packaged SoftwareTechnology Services Provides application based solutions for the telecommunication industry | Presidente | 27/01/2009 |
| NET INSIGHT AB | Director Ejecutivo | 01/01/2005 |
Halogen AB
 Halogen AB Information Technology ServicesTechnology Services Provides Internet and e-commerce consulting services | Director Ejecutivo | 01/01/2001 |
| TELIA COMPANY AB | Corporate Officer/Principal | 01/01/1999 |
| ░░░░░░░░░ ░░░░░░░░░░░░░ ░░ | ░░░░░░░░ ░░░░░░░░░ | - |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 16 |
|---|---|
Telia Co. AB
 Telia Co. AB Specialty TelecommunicationsCommunications Provides mobile telecommunications and advertising services & sells mobile devices | Communications |
Swedish Institute
 Swedish Institute National AgencyGovernment A Swedish government agency with the responsibility to spread information about Sweden abroad | Government |
Teligent AB
Teligent AB Packaged SoftwareTechnology Services Provides application based solutions for the telecommunication industry | Technology Services |
Trio AB
 Trio AB Specialty TelecommunicationsCommunications Provides telecommunications services | Communications |
Net Insight AB
 Net Insight AB Telecommunications EquipmentElectronic Technology Manufactures media transport products | Electronic Technology |
Halogen AB
Halogen AB Information Technology ServicesTechnology Services Provides Internet and e-commerce consulting services | Technology Services |
Qall Telecom AB | |
Exportkreditnämnden
 Exportkreditnämnden Finance/Rental/LeasingFinance Provides financing to companies | Finance |
Telenor AB
 Telenor AB Wireless TelecommunicationsCommunications Provides telecommunications services | Communications |
Sivers Semiconductors AB
 Sivers Semiconductors AB SemiconductorsElectronic Technology Manufactures system components used for radio links in mobile communications, radar sensors and test equipment | Electronic Technology |
Telia Norge AS
 Telia Norge AS Wireless TelecommunicationsCommunications Provides mobile telecommunications services | Communications |
CST Global Ltd.
CST Global Ltd. SemiconductorsElectronic Technology Manufactures semiconductors for fabrication of photonics products | Electronic Technology |
Stella Tech Distribution AB
Stella Tech Distribution AB Miscellaneous Commercial ServicesCommercial Services Provide corporate management, finance and information technology consulting services | Commercial Services |
Stella Tech AB
Stella Tech AB Electronics/Appliance StoresRetail Trade Retails computers and video games & provides computer consulting services | Retail Trade |
Vigerna Consulting
Vigerna Consulting Miscellaneous Commercial ServicesCommercial Services Provides corporate organization consulting services | Commercial Services |
Au-System Communication AB |
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