Brian O'Kelley

CEO & Co-Founder Scope3 | Co-Founder & CEO | Speaker

ADTECH | Purpose & Sustainability | Startups

Brian O’Kelley is CEO and co-founder of Scope3, the source of truth for supply chain emissions data. A respected entrepreneur and executive with a track record of building companies that have defined and led multi-billion dollar categories, Brian was the co-founder and CEO of AppNexus through its USD 1.6b sale to AT&T in 2018. He co-founded supply chain tech company Waybridge and served as CTO of Right Media through its acquisition by Yahoo. Credited with the invention of programmatic advertising and the online ad exchange, Brian is an active board member of Tech:NYC, has been named to Crain’s 40 Under 40, Adweek 50 and Silicon Alley 100 lists, holds multiple patents and was recognized as an E&Y Entrepreneur of the Year in the New York region in 2012. Brian was an early supporter of Girls Who Code and the Marshall Plan for Moms and is deeply committed to making the technology industry more inclusive.