People

Grant Freeman is a senior sales and partnerships leader at Thryv, driving SMB digital advertising and marketing solutions for local businesses across North America.

AdTech marketing veteran Grant Gudgel serves as SVP, Marketing at Verve, bringing deep mobile and location-based advertising expertise to one of the industry's leading omnichannel ad platforms.

Greg Bel is a senior AdTech leader at Publica by IAS, specializing in CTV and streaming ad monetization strategy for publishers and broadcasters.

Greg Brenneman is the independent lead director of The Home Depot's board and, from August 2026, chairs the board during CEO Ted Decker's leave. A corporate turnaround specialist, he is executive chairman of the private equity firm CCMP Capital and a former CEO of Burger King..

Co-founder and President of OpenAI, Greg Brockman is a central architect of the AI revolution reshaping advertising, media, and technology at large.

Greg Brooks is a marketing executive, previously Chief Marketing and Commercial Officer at SharpEnd and Chief Marketing and Culture Officer at Mindshare.

Retail industry veteran leading Kroger's grocery and retail media operations, with growing influence in how brick-and-mortar retailers leverage first-party data for advertising.

Chief Product Officer at Convertr, a lead management and data operations platform serving performance marketing teams.

Head of Platform Partnerships at Universal Ads

Co-CEO of Netflix who architected the company's ad-supported tier launch, bringing one of the world's most powerful streaming platforms into the advertising ecosystem.

CEO of Moore, Gretchen Littlefield is a seasoned data-driven marketing executive leading one of the largest nonprofit-focused marketing and data analytics firms in the U.S.

Gunnar Wiedenfels was the Chief Financial Officer of Warner Bros. Discovery until October 16, 2026.

Serial entrepreneur who built and sold two landmark AdTech companies — ClickAgents ($40M) and BlueLithium ($300M to Yahoo!) — before age 26, pioneering behavioral targeting and programmatic advertising.

Gurman Hundal is the Global Executive Chairman and Co-Founder of MiQ.

Gustav Söderström is the Co-CEO, Chief Product Officer, and Chief Technology Officer of Spotify Technology.

Senior creative and strategic leader at M&C Saatchi UK, known for blending data-driven thinking with brand storytelling in the evolving advertising landscape.

Guy Marks is the Chief Client Success Officer of Omnicom Media.

Gartner analyst specializing in marketing technology and advertising, helping enterprise marketers navigate the complex AdTech and MarTech landscape.

Founder and CEO of Just Women's Sports, Haley Rosen is reshaping sports media and women's sports advertising by building a dedicated platform that attracts brand investment into an underserved and fast-growing audience segment.

Hank Green is a YouTube creator, entrepreneur, and digital media pioneer whose work on creator monetization and platform economics has made him an influential voice on the intersection of content, advertising, and the creator economy.

Hannah Barnett is the Vice President of Brand Sales, UK & MENA, at LiveRamp.

Head of Creative AI Strategy at Dash Social, shaping how brands and marketers leverage artificial intelligence within one of social media's leading visual marketing platforms.