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Brian O’Kelley: From Billion-Dollar Sale to Sustainable Impact

8/18/2025

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Summary

Story summary

Brian O’Kelley, co-founder of AppNexus, sold the company for $1.6 billion in 2018, donating most of the proceeds to charity.
He advocates for a perspective on wealth that prioritizes values over financial success.
O’Kelley currently leads Scope3, which aims to reduce carbon emissions and promote sustainability.
His career demonstrates a dedication to ethical entrepreneurship and social responsibility.

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Story summary

Brian O’Kelley, co-founder of AppNexus, sold the company for $1.6 billion in 2018, donating most of the proceeds to charity.
He advocates for a perspective on wealth that prioritizes values over financial success.
O’Kelley currently leads Scope3, which aims to reduce carbon emissions and promote sustainability.
His career demonstrates a dedication to ethical entrepreneurship and social responsibility.