Jeffrey Terry Green (born March 15, 1977) is an American billionaire businessman, who co-founded AdECN, a demand-side advertising platform, which was acquired by Microsoft in 2007.

Following two years at Microsoft, Green left to co-found buy-side digital advertising platform The Trade Desk, of which he is chairman and CEO.

In 2009, Green co-founded The Trade Desk, a second-generation, programmatic advertising technology company, with fellow former Microsoft employee Dave Pickles.

In 2017, he appeared on 60 Minutes to discuss how consumers can avoid fake news[11][12] and, in 2019, Green launched an instructional video series on digital advertising concepts.

[22] An "aggressive philanthropist", according to the Wall Street Journal, he started the Jeff T. Green Family Foundation in June 2020[23] and joined The Giving Pledge in November 2021,[24][25] promising to donate 90 percent of his wealth during his lifetime.