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People / John G.
JG
Career profile

John G.

Senior Corporate Security Specialist

Greater Dublin

Career path.

  1. OpenAI

    International Corporate Security Lead

    Apr 2024 - Present
  2. Martello Safety & Security Solutions

    Company Owner

    Apr 2023 - Present
  3. Martello Safety and Security Solutions Ltd

    Company Director

    Apr 2023 - Jan 2025
  4. Twitter

    Senior Director Corporate Secuity, EMEA & APAC c @ Twitter

    Jan 2020 - Nov 2022
  5. Twitter

    Director Corporate Security, EMEA & APAC @ Twitter

    Jun 2017 - Jan 2020
  6. Twitter

    Snr Regional Magager Corporate Security EMEA @ Twitter

    May 2016 - Jun 2017
  7. Twitter

    Regional Manager, Global Threat Management, EMEA

    Mar 2015 - May 2016
  8. An Garda Siochana(Irish Police) Disciplinary Appeals Board

    Detective Chief Superintendent in Irish Police Force - An Garda Siochana

    Jul 2012 - Mar 2015
  9. Irish Police Force - An Garda Siochana

    Press & Public Relations Officer

    Nov 2008 - Jul 2012
  10. Irish Police

    District Superintendent

    Sep 2007 - Nov 2008
  11. Irish Police Force

    DETECTIVE INSPECTOR, GARDA NATIONAL IMMIGRATION UNIT, DUBLIN AIRPORT

    Oct 2005 - Sep 2007
  12. An Garda Siochana(Irish Police) Disciplinary Appeals Board

    Police Liaison Officer, Irish Embassy Paris

    Mar 2001 - Oct 2005
  13. Interpol

    Seconded Specialised Officer

    Jul 1998 - Mar 2001
  14. Irish Police Force

    Detective Sergeant Irish Police

    Sep 1995 - Jul 1998
  15. Irish Police Force

    Police Officer & Police Sergeant

    Feb 1984 - Sep 1995