![Sonia Kalfon](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>)
Sonia Kalfon is Marketing Director of Webjam Ltd. Before joining Webjam, she was Head of the Community Products team at Yahoo! Europe.
Prior to Yahoo!, She held product marketing functions in the Vodafone, Worldcom.
Ms. Kalfon received a degree from French school of management ESSEC and an MBA from New York University, Stern School of Business.
| Unternehmen | Position | Ende |
|---|---|---|
| VODAFONE GROUP PLC | Corporate Officer/Principal | - |
MCI, Inc.
 MCI, Inc. Major TelecommunicationsCommunications Provide communications services | Corporate Officer/Principal | - |
Webjam Ltd.
 Webjam Ltd. Internet Software/ServicesTechnology Services Provides online content services | Vertrieb & Marketing | - |
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Inaktive
Börsennotierte Unternehmen
Private Unternehmen
| Private Unternehmen | 6 |
|---|---|
MCI, Inc.
MCI, Inc. Major TelecommunicationsCommunications Provide communications services | Communications |
Vodafone Group Plc
 Vodafone Group Plc Wireless TelecommunicationsCommunications Provides mobile and fixed telecommunications services | Communications |
New York University
 New York University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
ESSEC Business School
 ESSEC Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Webjam Ltd.
Webjam Ltd. Internet Software/ServicesTechnology Services Provides online content services | Technology Services |
Universidade de Vigo
 Universidade de Vigo Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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