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Guillaume Ducousso

Chief Financial Officer

About Guillaume Ducousso

Guillaume Ducousso has extensive experience in the Telecom and Software industries working for listed (Nasdaq) or PE backed entities.


Prior to joining 6Wind, Guillaume has led transformational challenges (International HQ and Shared Service Center set up in Belgium and Singapore).Managing multicultural teams (EMEA, APAC, India), Guillaume has been a key Finance stakeholder in driving software business model shift from perpetual license to SaaS mode. Guillaume graduated from ESSCA Business School with a major in Finance & Treasury.


Guillaume is a Finance Leader with dual track record as Regional VP Finance in international groups and CFO in medium Size companies.

Customer Stories

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“6WIND Virtual Security Gateway was able to meet our exact requirements by delivering a highly scalable, high performing, secure and sustainable solution which will provide us with the flexibility to grow cost-effectively. The 6WIND Team continues to help us adopt the solution into our existing environment seamlessly and efficiently.”

Max Urmanov, Director of Networking Engineering at CarrierX

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6WIND’s vRouters have the best virtual packet processing engine we’ve seen on any virtual routing platform. No other products we’ve looked at perform anywhere close to 6WIND

Rick Jenssen, Senior Director of Consulting Systems Engineering

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“We took an innovative approach for an open multi-vendor solution to power our smart city initiative working with 6WIND, ADVA, Advantech, Dell and dacoso. Together we designed a secure open platform that powers edge cloud for IoT, video and next-generation services across our IPv6 network that can further be deployed worldwide across many verticals.”

Volker Bodenbach, head of technology and operations, WiTCOM