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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 ADAMA, a ChemChina’s subsidiary in Israël prior to joining Sivan.
  • Ayala has an MBA from HEC Paris (Grande Ecole) and master’s degrees in economics and Finance from Sciences Po.
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Paul Cohen
Legal Director - Executive Member of the Board
  • Paul is the legal director 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

Board of Experts

Dr. Ethan Basch
  • Member, UNC Lineberger Comprehensive Cancer Center Director
  • Professor in UNC-Chapel Hill Department of Medicine, Hematology and Oncology
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Dr. Gita Mody
  • MD, MPH
  • Director of Thoracic Surgical Oncology
  • Assistant Professor of Surgery
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Dr. Alain Livartowski
  • Department of Oncology, Institut Curie
  • Lead, eSanté projects
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Dr. Nicolas Girard
  • Pneumologist specialized in thoracic oncology, Curie Institute, France
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Dr. Antoine Piau
  • MD, PhD
  • e-Health expert
  • CHU Toulouse, France
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Guy Eiferman
  • Experienced Healthcare Executive
  • Member of the advisory board
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Dr. David Heigener
  • Pneumologist
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Meet our


Hemda Chen
Chief Medical Officer
Hilit Hochman
Chief Communication Officer
Noam Vaza
Chief Technology Officer
Céline Fosse
Regulatory Affairs Director & DPO
Ohad Gazit
Senior Developer
Keren Pelleg
Senior Product Manager
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
Coordinative Nurse
Adi Katz
Executive Assistant
Muriel Tesson
Human Resources Manager
Nadège Boumaraf Millet
Executive Assistant

Want to join our team?

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