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Lucy Guo

Lucy Guo

Lucy Guo is the founder and general partner at Backend Capital and a co-founder of Scale AI.

Lucy Guo is the founder and general partner at Backend Capital, a San Francisco-based venture capital firm, and a co-founder of Scale AI, a data platform for artificial intelligence which enables developers to use an API for repetitive human tasks. Guo studied Computer Science and Human Computer Interaction at Carnegie Mellon University. She dropped out her senior year upon winning a 2014 Thiel Fellowship, which awards twenty people under twenty-two years old a $100,000 scholarship and mentorship to build a business. She interned with Facebook, worked as a product designer at Quora and Snapchat, co-founded Scale AI in 2016, founded Backend Capital in 2019, and is an Angel Investor.

Lucy Guo credits her upbringing in Silicon Valley with her early exposure to technology. She learned to program in the second grade, began creating websites in sixth grade, and earned five-figure revenues from internet marketing and ads in high school. As a freelance developer, she created consumer web and mobile apps, including Pokecrew, AccessURL, and FriendSwipe.

In interviews, Guo states that she "learns much more by doing rath than sitting in a classroom." About her Thiel Fellowship, Guo says, "The Thiel Fellowship gave me an opportunity. I was able to drop out and pursue my dreams earlier than I would have. On top of that, the community has been phenomenal. It’s a group of young founders who understand you. They push you to your boundaries and help make you a more intellectual and mature human being."

Lucy Guo was named in 2017 Forbes 30 Under 30 for co-founding Scale with Alexandr Wang.


Backend Capital founded by Lucy Guo and Dave Fontenot.
Lucy Guo named in Forbes 30 Under 30.
June 1, 2016
Scale AI founded by Lucy Guo and Alexandr Wang.
Lucy Guo awarded Thiel Fellowship.
October 14, 1994
Lucy Guo was born in United States.

Invested in


Further Resources


Cloud Engineering - Software Engineering Daily: Scale API with Lucy Guo and Alexandr Wang on Apple Podcasts


December 16, 2016

Female Thiel Fellows Take the Tech World by Storm - Nordic Business Report

Nordic Business Forum


Get to Know 19-year-old Tech Whiz & 2014 Thiel Fellow Lucy Guo-WIRED


June 16, 2014

Lucy Guo: From Hackathons to Co-Founder of a Billion-Dollar AI Data Labelling Startup.

Sarah Patterson


March 17, 2021

POD OF JAKE: #55 - LUCY GUO on Apple Podcasts


March 26, 2021


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