Jessica Livingston is a prominent figure in the startup world, best known as a co-founder of Y Combinator, the first and most successful startup accelerator. She played a crucial role in YC's early success, earning the nickname "social radar" for her exceptional ability to evaluate founders. Livingston is the author of the acclaimed book "Founders at Work: Stories of Startups' Early Days," which captures the origin stories of some of today's most interesting companies. She has funded over 5,000 startups, including unicorns like Airbnb, Dropbox, and Stripe. Livingston is also the host of the popular podcast "The Social Radars," where she interviews billion-dollar-startup founders. Her expertise in identifying promising entrepreneurs and nurturing early-stage startups has made her a respected voice in the tech industry. Livingston resides in the United Kingdom with her family, including her husband and fellow Y Combinator co-founder, Paul Graham.