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John Halley

Operator

John Halley is an Advisor at TWG Global. He has held roles at Paramount+ and Paramount Advertising as of January 2025. He oversaw programmatic and AdTech capability buildout across Starcom, Zenith, and Spark Foundry.

Last updated Jun 6, 2026 by the ATDb Editorial Team

Role
Advisor
Company
TWG Global
Based
New York, New York, United States
Boards
4
Connections
3
Years in industry
20 years

Career

  • President, Advertising

    Paramount · 2022–2026

  • Chief Operating Officer, Advertising

    Viacom · 2013–2019

  • SVP, Ad Sales Finance & Operations

    Viacom · 2007–2013

Board memberships

OpenAP (former Chairman)IAB (former Chair)VABBlockgraph

Expertise & education

Expertise

Programmatic AdvertisingMedia Buying and PlanningData-Driven MarketingIdentity ResolutionAdTech PartnershipsAudience TargetingMedia Agency OperationsMarketing Measurement

Speaking topics

Future of Media BuyingProgrammatic Advertising at ScaleData and Identity in a Privacy-First WorldAdTech and Agency Transformation

Recognition

Notable achievements

  • Oversaw programmatic and AdTech capability buildout across Starcom, Zenith, and Spark Foundry
Connection details