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Antoine Leboyer

President and CEO

Geneva, Switzerland

Antoine has seen Information Technology from all sides by working for vendors of all sizes. After 12 years in sales and marketing positions at IBM, he started the European Indirect operations of Candle Corporation. He worked for startups in software distribution and mobile phone billing software. In his most recent position he was Senior Vice President of Baracoda, the leading producer of Bluetooth industrial devices. 

Antoine holds an engineering degree from the Ecole Superieure d'Electricité in France and an M.B.A. from Harvard Business School. He sits on the board of the Geneva Reformed Synagogue.

He is co-author of the book "Building Routes to Customers: Proven Strategies for Profitable Growth." In his spare time, Antoine is a frequent contributor to


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Jean-François Piot

Vice President Product Management

Geneva, Switzerland

Jean-François Piot, is responsible for articulating the vision of GSX product range and translating these into detailed specifications. His experience in IT processes and Service Management projects comes from previous business development positions at IBM and Beijaflore (IT Service Provider). 

He holds a master degree from the Grenoble Graduate School of Business.

In his spare time, he loves assembling and dissembling his old American Trans Am.



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Sébastien Giraud

Vice President of Software Development

Nice, France

Sebastien Giraud oversees the development resources in charge of delivering GSX products range.

Sebastien holds an engineering degree in computer science and software architecture from the Ecole Superieure en Sciences Informatiques of Sophia-Antipolis.




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Yannick Goubet

Vice President of Global Sales

Geneva, Switzerland

Yannick Goubet is responsible for leading the company's global sales initiative. He joined GSX in 2009 after several years of sales and client relationship management at IBM and Dell.  He has extensive knowledge about server and blade infrastructure, as well experience in managing worldwide distribution channels.  As a huge fan of sports, Yannick applies the values he has learned from competition to his team, partners and clients. He approaches daily and long-term strategy and achieves success by anticipating and reacting quickly to challenges, building trusting relationships and possessing the overriding will to achieve. Yannick has a Master's degree in Sales and Marketing from Toulouse Business School.