People

Executive Chairman of Simpli.fi, the programmatic platform he co-founded in 2010 and led as CEO until 2025; backed by Blackstone and GTCR.

Co-founder of Grow, a Norfolk-based independent creative agency known for purpose-driven work and a distinctive culture-first approach.

Gabriel Schmitt is the former Global Chief Creative Officer of Grey Group.

Gadi Eliashiv is the CEO and Co-Founder of Singular.

Co-founder and longtime CEO of Eyeblaster, the rich-media ad-serving company renamed MediaMind, which DG acquired in 2011.

Galen Druke is a political journalist and podcast host at FiveThirtyEight, known for translating complex data and polling into accessible political analysis.

Co-Founder and CEO of Rockbot, a leading out-of-home media and music platform that helps businesses engage customers through curated audio and digital signage with advertising capabilities.

Academic economist and marketing professor at Boston University Questrom School of Business whose empirical research on digital ad effectiveness, incrementality, and privacy has made him a go-to scholar for the AdTech industry.

Garrett McGrath is the President of Prebid.org.

Garrett O'Reilly is the UK Chief Executive Officer of Hearts & Science, an Omnicom-owned data-driven marketing agency network.

Gary Friedman is the Chairman and CEO of RH (formerly Restoration Hardware), the luxury home furnishings brand he transformed into a multi-billion-dollar lifestyle empire through bold, unconventional retail and brand strategy.

Google's Webmaster Trends Analyst and one of the most recognized voices on Google Search, crawling, and indexing — a must-follow for anyone in SEO and organic search strategy.

Gary Millerchip is the Chief Financial Officer of Costco Wholesale, one of the world's largest membership-based retail warehouse chains, overseeing the company's global financial strategy and operations.

Serial entrepreneur, marketing futurist, and CEO of VaynerMedia who has shaped how brands think about social media advertising, attention economics, and digital-first marketing strategy.

Gavin Buxton is Index Exchange's Managing Director for Asia, driving programmatic supply-side growth and header bidding adoption across the APAC region.

Programmatic analyst and author covering header bidding, cookie deprecation, and industry shifts.

Advertising executive who led Glasgow shoppable-media company Adimo as CEO from 2022; Adimo has since ceased operations.

Co-Founder of Bubbler Media and former iHeartMedia CMO, Gayle Troberman is a seasoned marketing and brand strategy leader known for building innovative, audience-first advertising experiences across major media platforms.

Chief Experience Officer at M&C Saatchi, Gen Kobayashi is a creative technologist renowned for blending data-driven strategy with human-centered design to redefine brand experiences in the modern advertising landscape.