Kostas Kastanis
Corporate Officer/Principal en Upstream Telecommunications & Software Systems SA .
Cargos activos de Kostas Kastanis
| Empresas | Cargo | Inicio |
|---|---|---|
Upstream Telecommunications & Software Systems SA
 Upstream Telecommunications & Software Systems SA Specialty TelecommunicationsCommunications Upstream Telecommunications & Software Systems SA operates a commerce platform that engages in the provision of mobile marketing services for mobile operators, M-commerce, developers, service providers, and publishers. It offers insights, and mobile solutions. The firm also offers direct marketing and mobile customer billing services. The company was founded by Alex Vratskides and Marco Veremis in 2001 and is headquartered in Gerakas, Greece. | Corporate Officer/Principal | - |
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| Empresas privadas | 1 |
|---|---|
Upstream Telecommunications & Software Systems SA
Upstream Telecommunications & Software Systems SA Specialty TelecommunicationsCommunications Upstream Telecommunications & Software Systems SA operates a commerce platform that engages in the provision of mobile marketing services for mobile operators, M-commerce, developers, service providers, and publishers. It offers insights, and mobile solutions. The firm also offers direct marketing and mobile customer billing services. The company was founded by Alex Vratskides and Marco Veremis in 2001 and is headquartered in Gerakas, Greece. | Communications |
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