Bijan Sabet

Overview

Bijan Sabet is a venture capitalist and former U.S. Ambassador to the Czech Republic. He co-founded Spark Capital in 2005, a firm that invests in early and growth-stage companies across various sectors. At Spark Capital, Sabet led investments in companies such as Twitter, Tumblr, Wayfair, Cruise Automotive, Oculus, Slack, and Warby Parker. He served on the boards of Twitter from 2008 to 2011 and Tumblr from 2007 to 2013. In 2022, President Joe Biden nominated Sabet as the U.S. Ambassador to the Czech Republic, a position he held from February 2023 to January 2025. Since stepping down from his ambassadorial role, Sabet has been engaged in discussions on artificial intelligence and its implications for democracy and leadership. He emphasizes the need for innovation and responsibility to move forward together, advocating for clear rules, competition, and democratic values in the development and deployment of AI technologies. Sabet is a graduate of Boston College and has been recognized for his contributions to the venture capital industry, including his early investments in Twitter and Tumblr. He continues to be active in the technology and investment sectors, focusing on supporting entrepreneurs and innovative designs that have the potential to transform industries and society.