About Scope3
Powering safe and sustainable growth.

We built the advertising technology that powers trillions of impressions today.

Now we're rebuilding it for the agentic age.

Many of us were the original architects of programmatic advertising. We created the infrastructure that became the foundation of digital media. But we also saw its limitations: carbon and media waste and the impossible trade-offs that force brands to choose between reach and safety, performance and values, efficiency and creativity.

Today, we're pioneering agentic advertising—working with leading brands, agencies, publishers, and platforms to establish the foundation for AI-native advertising. Together, we're creating an ecosystem where intelligent agents understand your brand's story and make sophisticated decisions that align with your unique narrative at machine speed.

Instead of settling for binary choices, this new foundation unlocks the full spectrum of brand expression and cultural connection. We're not just building better tools—we're collaborating across the industry to reimagine how advertising works when intelligence is built into every layer of the ecosystem.

We believe in a future of advertising where brands don't just buy media, but actively contribute to culture and our growth, safely and sustainably.

Our People
It takes a special group of people to operate at the cutting edge of climate science to transform a complex, global industry.We’re proudly pragmatic and idealistic, and we care deeply about the planet, our customers, the internet, and each other.
Join our team
Working in the openWe’ve contributed our core modeling and research methodology to the open source to gain more perspectives and collaborators in making sure the model is more comprehensive than anything else in the industry.Learn more
The “I Cannes Remove Carbon” ProgramCannes-Lions is a wonderful time for our industry, but there is no mistaking the excess and emissions of the international travel to make it happen. To encourage investment in high-quality and high-impact carbon removal, we’ve launched I Cannes Remove Carbon program in partnership with Carbon Direct.Learn more
$1MM investment with Carbon DirectWe’ve invested $1MM to create a carbon removal portfolio with Carbon Direct that allows our clients to draw down upon with no additional fees.Learn more

Leadership Team

Brian O’Kelley

Chief Executive Officer, Co-Founder

Anne Coghlan

Chief Operating Officer, Co-Founder

Tim Collier

Chief Commercial Officer

Christina Cubeta

Chief Marketing Officer

David Fischer

Head of Global Ad Tech Partnerships

Emma Mulitz

Lead Engineer, Co-Founder

Joey Leichman

Head of Buyer Development

June Cheung

Head of APAC

Lillie Ratliff

Head of Research & Solutions

Paul-Antoine Strullu

Head of EMEA

Get in touch to learn more.