Contact Details

E-mails & Phone

Omer Greisman

Omer Greisman

Head of security services at OpenZeppelin


Experienced manager with a 15 years proven track record in Software development, Cyber security, Risk management, Product management and Blockchain technology.


  • Technology & Cyber Security audit team manager (Bank Hapoalim בנק הפועלים)
  • Product Manager & Team leader | EY Blockchain Security (EY)
  • Full Stack Engineer (Finastra)
  • IT Auditor | CISA (Bank Hapoalim בנק הפועלים)
  • Public Speaker - Cryptocurrency & Blockchain Technology (Independent Lecturer)
  • Head of Security services (OpenZeppelin)


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