Jae Lee is Co-founder and CEO of Twelve Labs, a San Francisco and Seoul based AI company building video foundation models that understand video natively. He leads the company's push toward what it calls Video Superintelligence.

Jae studied computer science at UC Berkeley and interned as a software engineer at Samsung and Amazon. He then served as lead data scientist at South Korea's Ministry of National Defense, where he and his co-founders first mapped out the Twelve Labs thesis in the Cyber Command.

Born in Seoul, Jae moved to the US as a teenager and is a Techstars alum. He is known as an energetic demo showman who bridges Silicon Valley and the Korean AI ecosystem.

Twelve Labs was founded in 2021 and has backing from NEA, NVentures, Databricks, Snowflake, SK Telecom, Index Ventures and Radical Ventures. In 2025 it closed a $100M Series B co-led by NEA and Naver Ventures with participation from Amazon, bringing total funding above $207M.

Its Marengo and Pegasus models serve more than 20,000 developers across media, sports, advertising and government. Marengo 3.0 launched on AWS Bedrock at re:Invent 2025, and the company has a multi-year AWS agreement to optimize video inference on Trainium chips.