Brian O'Kelley

Brian O'Kelley is an entrepreneur and executive who currently serves as the Co-Founder and CEO of Scope3. His leadership at Scope3 is focused on spearheading the decarbonization efforts within the media and advertising industry.

Throughout his career, Brian has demonstrated a strong ability to build companies that have shaped and led multi-billion dollar categories. He co-founded and served as CEO of AppNexus, which was eventually acquired by AT&T for $1.6 billion in 2018. Prior to that, he co-founded Waybridge, a supply chain technology company, and held the position of CTO at Right Media, which was successfully acquired by Yahoo. Brian actively contributes as a board member of LiveRamp (RAMP), Tech:NYC, and the IAB Tech Lab. He is also an executive producer of the Wonderstruck podcast.

Acknowledged for his significant contributions, Brian has been named to prestigious lists such as Crain's 40 Under 40, Adweek 50, and Silicon Alley 100. He holds multiple patents and was honored as an E&Y Entrepreneur of the Year in the New York region in 2012. Brian is actively involved in initiatives promoting inclusivity in the technology industry, supporting organizations like Girls Who Code and Moms First.