Jeffrey Quesnelle is identified in secondary sources as CEO of Nous Research, the open-source AI lab behind Hermes Agent; one source describes him as CEO and CTO. He is among its co-founders, with Karan Malhotra, Teknium and Shivani Mitra.
Nous raised a $90 million Series B at a $1.5 billion valuation in October 2026 and launched Hermes for Businesses. Our sources on his background are thin, and we have not listed his education or earlier roles.