Biz Stone

Stone was born in Boston, Massachusetts, in 1974. He graduated from Wellesley High School in Wellesley, Massachusetts. He attended Northeastern University and the University of Massachusetts Boston, but did not graduate from either.

Stone started his career moving boxes at Little, Brown and Company while at university in Boston. He was promoted as a book cover designer and left school to work full-time.

From 1999 to 2001, Stone was creative director at Xanga.

He quit Xanga and got a job at Wellesley College for about a year before being invited to work for Google's Blogger team.

From 2003 to 2005, Stone held a senior leadership role at Google.

Stone co-founded the social network Twitter in 2006 and left the company in 2011.

Stone made his directorial debut in 2012, working alongside Ron Howard and Canon USA to direct a short film, Evermore, as a part of Project Imaginat10n. Stone is also an advisor to Zoic Studios, and an Executive Producer of the documentary Eating Animals along with Natalie Portman.

Stone returned to Twitter in 2017 where he remained till 2021.

In 2024, Stone joined the board of directors of social network Mastodon's US nonprofit entity.

Aside from Twitter, Stone is an angel investor and advisor in the startup community having backed companies such as Square, Slack, Medium, Nest, Beyond Meat, Pinterest, Intercom, and Faraday. Stone is a board director at Beyond Meat, Medium, Polaroid Swing, Workpop, and Jelly Industries. Stone is the Chairman of Polaroid Swing.

Stone is Jewish. He is involved in animal rights, veganism, environmentalism, poverty, health and education. Stone is an advisor and contributor to DonorsChoose, a non-profit organization helping classrooms in need.

Stone lives in Marin County, California, with his wife Livia and his son Jacob. He and his wife founded and operate the Biz and Livia Stone Foundation, which supports education and conservation in California.