JT
Justin Thomas-Copeland
Thought Leader
Justin Thomas-Copeland is CEO of the 4A's (American Association of Advertising Agencies), the U.S. trade association for advertising agencies. He took over from Marla Kaplowitz in May 2025.
Latest · Media Buying Briefing: The holdco tech heads expound on the ups and downs of building AI· Jun 29
Last updated Oct 18, 2026 by the ATDb Editorial Team · Connections updated Oct 21, 2026
AI-drafted from public sources7 sources cited
- Years in industry
- 20 years
Career
CEOCurrent
4A's (American Association of Advertising Agencies) · Since 2025
Roles with a cited source. All linked roles are in the Roles tab.
Expertise & education
Expertise
Advertising Agency OperationsDigital Marketing StrategyAI in AdvertisingIndustry AdvocacyBrand StrategyMedia and Technology PolicyCreative and Media EcosystemsProgrammatic Advertising
Speaking topics
The Future of the Advertising Agency ModelAI and Digital Marketing TransformationIndustry Advocacy and StandardsDiversity and Inclusion in AdvertisingBrand-Agency Relationships
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