John De Santis

Global technology/cybersecurity executive, board member, aspiring outdoorsman

United States

About

John De Santis was a company builder with experience in the software, networking and information security domains. He has over forty years of international and US based experience at venture-backed technology start-ups as well as large global public companies in the Telecom and IT fields. He is now serving on the board of directors for various enterprises and organizations active in cybersecurity, artificial intelligence, professional development and learning innovation. Most recently, John was Chairman & CEO of HyTrust, an IT infrastructure security software company based in Mountain View, CA. HyTrust was acquired by Entrust in January 2021. Prior to HyTrust, he was VP, Cloud Services for VMware. He was Chairman & CEO of TriCipher (acquired by VMware), and prior to that, he was an entrepreneur-in-residence at Trident Capital. John's first CEO role was at Sygate Technologies (acquired by Symantec), where they developed the technical foundation of Symantec's $1B Enterprise Endpoint Protection suite. During the rapid telecom deregulation in Europe in the 1990’s, he led the European operations for various software, hardware and telecom networking companies. In the mid-80’s, he had co-founded and led to exit a start-up that built the first optical fiber networking capability for IBM mainframes. He is currently the Chairman of the Board of ISACA (global association of 280,000 IT professionals worldwide), and on the fiduciary boards of Cequence (detection/mitigation against automated malicious web service attacks), ValiMail (anti-phishing/email authentication) and noHold (artificial intelligence applied to customer support). He was previously on the boards of Aetherpal (mobile app/device support software - acquired by VMware), NeoHapsis (IT security consulting - acquired by Cisco), Trace Security (GRC software as a service - management buy out), Arxan Technologies (application security software - exit to TA Associates), Applied Identity (identity management networking software - acquired by Citrix), and Tablus (data leakage protection software - acquired by RSA Security). John is a graduate of Fairfield University with an AB in Philosophy (concentration: Mathematics). He completed the Stanford University/AEA Executive Institute program for Management of High Technology Companies.

Experience

  • ISACA (Full-time · 5 yrs 2 mos)
    • Chair of the Board of Directors
      Jul 2023 - Present · 3 yrs 1 mo

    • Vice Chair
      Jul 2022 - Jul 2023 · 1 yr 1 mo

    • Member Board of Directors
      Jun 2021 - Jul 2022 · 1 yr 2 mos

  • Member Board Of Directors at Cequence Security
    Jul 2015 - Present · 11 yrs 1 mo

    Cequence helps prevent online fraud, business logic attacks, exploits and unintended data leakage, scaling to process over 6B API calls per day while protecting 2B+ user accounts and more than $1.3T in asset value across a Global 1000 customer-base.

  • Member Board Of Directors at ValiMail
    Jan 2017 - Present · 9 yrs 7 mos

    ValiMail is a global leader and innovator in zero-trust email solutions.

  • Member Board Of Directors at noHold, Inc.
    Oct 2010 - Present · 15 yrs 10 mos

  • Board Member at Paladin Cloud
    Jul 2022 - Jul 2023 · 1 yr 1 mo

    Security-as-Code platform for software development and security teams to identify and mitigate the risks of using cloud IT services.