People

John Roa is the Chief AI Officer of Raptive.

John Rogers is the Senior Vice President of Global Publisher Development at OpenX.

John Schlifske is currently between roles.

John Solomon is a veteran AdTech executive known for his leadership roles at major digital media and advertising technology companies, with deep expertise in programmatic advertising and publisher monetization.

CEO of Apple since September 1, 2026, succeeding Tim Cook.

19th-century retail pioneer whose famous lament — 'Half the money I spend on advertising is wasted; the trouble is I don't know which half' — became the founding paradox of advertising measurement and the intellectual origin story of modern AdTech.

John Wren is the Chairman and Chief Executive Officer of Omnicom Group Inc., the world's largest advertising and communications holding company by revenue.

Johnny Hornby is the founder of The&Partnership and a key figure in modern advertising agency models, now channeling entrepreneurial energy into Hawkstone, the craft lager brand co-founded with Jeremy Clarkson.

Johnny Rohrbach is a growth and partnerships professional at Silverside, an AI solutions company focused on conversational AI and enterprise applications.

Managing Director at Toluna, Jon Arthurs leads market research and consumer insights solutions with a focus on data-driven advertising effectiveness and audience measurement.

Jon Carpenter is Senior Advisor to the Board and CEO of Comscore. He was Comscore’s CEO until May 2026, when Matt McLaughlin was appointed, and before that its CFO from 2021; earlier he was CFO of Publishers Clearing House.

Jon Chapman is a senior AdTech operator at The Bloc, bringing deep expertise in healthcare and pharmaceutical advertising technology to one of the industry's specialized agency networks.

Chief Operating Officer at Team Informatics, Inc., a technology services company specializing in information management and digital transformation solutions.

Jon Cook is the Global CEO of VML and CEO of WPP Creative at WPP.

AdTech and media data executive who led growth and EMEA operations at Omnicom's Annalect before joining Publicis Groupe as a platform lead in 2026.

Head of Podcasts at Be Afraid Media, Jon Grilz leads podcast content for a horror-focused media brand.

AdTech operator and industry mapper who leads advanced advertising solutions at Comcast Advertising and created ATDb, a comprehensive database cataloging the modern AdTech ecosystem.

Co-founder and Editor in Chief of Puck, the subscription media startup redefining insider journalism across Hollywood, Wall Street, Washington, and Silicon Valley.

Communications executive and broadcaster; President of LeibermanMedia and host/EP of Scripps News' "Catch Me Up".

Jon Stimmel leads media, sports and entertainment strategy at Kraft Heinz, shaping how one of the world's largest food and beverage companies connects its iconic brands to culture through paid media and partnerships.

Co-Founder & CEO of Mobian; previously co-founded Right Media (acquired by Yahoo) and Moat (acquired by Oracle).

Co-founder of BuzzFeed and HuffPost, Jonah Peretti is a pioneering force in digital media who now leads BuzzFeed's AI strategy as President of BuzzFeed AI following Allen Family Digital's acquisition of a majority stake in the company.

VP of Video at PubMatic

IBM's Chief Communications Officer and Senior Vice President, Jonathan Adashek bridges enterprise technology and strategic communications, shaping how one of the world's most iconic tech brands navigates AI, cloud, and digital transformation narratives.