Skip to content
ATDbbeta
JG

John Gentry

Operator

John Gentry is CEO at Epsilon, where he has led the company's strategic repositioning as a privacy-first identity and data platform in response to third-party cookie deprecation. Under his leadership, Epsilon integrated into Publicis Groupe's Power of One strategy, expanding its capabilities across global marketing services. He has overseen the scaling of Epsilon's CORE ID as a widely adopted identity solution for brands implementing cookieless audience targeting.

Last updated Jun 6, 2026 by the ATDb Editorial Team

Role
CEO
Company
Epsilon
Based
Irving, Texas, United States
Connections
2
Years in industry
20 years

Bio

John Gentry is CEO at Epsilon, where he has led the company's strategic repositioning as a privacy-first identity and data platform in response to third-party cookie deprecation. Under his leadership, Epsilon integrated into Publicis Groupe's Power of One strategy, expanding its capabilities across global marketing services. He has overseen the scaling of Epsilon's CORE ID as a widely adopted identity solution for brands implementing cookieless audience targeting.

Career

  • President

    Epsilon · prior to CEO appointment

Expertise & education

Expertise

Identity ResolutionFirst-Party Data ActivationPrivacy-Compliant MarketingData Management PlatformsOutcome-Based MarketingProgrammatic AdvertisingCORE IDMarketing Technology Strategy

Speaking topics

Privacy-compliant identity resolutionFirst-party data strategies for brandsThe future of outcome-based marketingNavigating cookie deprecation and signal loss

Recognition

Notable achievements

  • Led Epsilon's strategic repositioning as a privacy-first identity and data platform amid the deprecation of third-party cookies
  • Oversaw Epsilon's integration into Publicis Groupe's Power of One strategy, expanding its reach across global marketing services
  • Scaled Epsilon's CORE ID as a widely adopted identity solution for brands seeking cookieless audience targeting
Connection details