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Chief Operating Officer at WPP; former strategy leader at McCann Worldgroup.

Founder of Dhar Mann Studios, the creator-led studio behind a 28-million-subscriber YouTube channel, and Advertising Week New York's first Chief Creator Officer, brokering creator-brand sponsorship deals.

Co-founder and CTO of HubSpot, Dharmesh Shah is a pioneering entrepreneur and thought leader who helped define the inbound marketing movement and built one of the world's leading CRM and marketing automation platforms.

General Partner at Battery Ventures and prominent enterprise/cloud investor who has backed several AdTech and MarTech infrastructure companies, bridging the gap between enterprise software and advertising technology.

Former GroupM China digital investment leader sentenced to life imprisonment in 2026 for orchestrating a $176M media-rebate kickback scheme — one of the largest AdTech fraud cases in Chinese advertising history.

Senior leader at Publicis Health Media driving data-driven media strategy and programmatic innovation in the healthcare and pharmaceutical advertising space.

EVP & Chief Experience Officer at Sam's Club, driving member experience strategy for one of the largest warehouse club retailers in the US.

Diarmuid Gill is the Chief Technology Officer of Criteo.

Serial AdTech entrepreneur and CEO of DaVinci Commerce, best known for founding Jivox and pioneering personalized dynamic creative optimization (DCO) at scale.

Former Twitter CEO who led the platform through its landmark IPO, now co-founding 01 Advisors to back and build the next generation of tech companies.

Dina Powell McCormick is the President and Vice Chairman of Meta.

Chairman and CEO of Mondelez International, one of the world's largest snacking companies, where he has driven a focused global snacking strategy and significant marketing investment behind iconic brands like Oreo, Cadbury and Milka.

Dirk von Borstel is a senior AdTech executive at Virtual Minds, one of Germany's leading programmatic advertising platform groups, known for driving programmatic innovation in the DACH region.

Senior AdTech executive and Chief Marketing Officer at WHOOP, known for leading global marketing and brand strategy after a distinguished career scaling programmatic and digital advertising at major media companies.

Divyank Turakhia is the former CEO of Media.net.

Chief Brand Officer at Pura, Dmitri Siegel is a brand strategist and advocate for ethical, privacy-respecting marketing known for purposeful consumer-centric brand building across e-commerce and smart home categories.

Dominic Di Talamo is Managing Director, UK at xpln.ai, appointed to lead the company's London office expansion in December 2025.

Dominik Scholta is the CEO of Hearts United Germany.

Donald Graham is the former publisher of The Washington Post.

45th and 47th President of the United States.

Donna Langley is Chairman of NBCUniversal Entertainment, one of the most powerful executives in Hollywood, overseeing content strategy across Peacock, Bravo, NBC, and the Film/TV studios.

Donna Speciale is a veteran TV advertising sales executive. She was President of U.S. Advertising Sales and Marketing at TelevisaUnivision until stepping down in June 2025, and earlier led ad sales at Turner.