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Meet our

Management board

Daniel Israel
Founder & President
  • A pioneer in the digital health industry, Daniel has spent the past 18 years building technology companies and brands.
  • He is the founder of the Le Mans-based Sephira Group, whose flagship SESAM Vitale brand is the leading platform for secure billing and data transmission between patients, providers, and payers in France.
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Ayala Bliah
Chief Executive Officer
  • An economist by training, Ayala brings to Sivan a wealth of financial planning and operational experience. She cut her teeth in investing banking, working as an analyst and senior manager at BNP Paribas in New York, before leading change management and supply chain projects for a leading agri-tech company in Israel prior to joining Sivan.
  • Ayala has an MBA from Insead, degrees in Economics and Finance from Sciences Po, and an MA in Science Management from HEC Paris.
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Paul Cohen
Legal Director - Executive Member of the Board
  • Paul is the CEO of Sivan and the Sephira Group, a pioneering telemedicine company based in France. A seasoned executive with over 27 years' experience in senior management roles, he specializes in the restructuring and recovery of high potential enterprises.
  • Paul earned his law degree from Lyon University, qualifying as a lawyer in 1980.
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Meet our


Hemda Chen
Chief Medical Officer
Noam Vaza
Chief Technology Officer
Céline Fosse
Regulatory Affairs Director & DPO
Laure Demond
Quality Manager
Samuel Amsilli
Devops & IT Manager
Gabriel Sportes
European Deployment
Yossef Dahdi
QA & Support Manager
Judith Renassia
Digital Marketing Manager
Vincent Guitton
Key account Manager
Caroline Borges
Coordinating Nurse

Want to join our team?

If you see a role for yourself at Sivan, write to us at: