Biz Stone is one of those names that’s permanently etched into the tech world’s hall of fame. Most people recognize him as the co-founder of Twitter, but there’s so much more to this creative mind who turned the internet into a global conversation hub. Whether it’s building platforms, investing in future tech, or championing social good, Stone has done it all. Let’s break down his journey, his wealth, and what makes him such an influential figure today.
Early Life: Creativity in the Making
Born Christopher Isaac Stone in 1974 in Boston, Massachusetts, Biz grew up in Wellesley in a single-parent household. His childhood wasn’t marked by privilege but rather by modesty and resilience. Raised primarily by his mother, Biz gravitated toward art and design from an early age – a passion that would become a cornerstone of his entrepreneurial ventures later on.
Interestingly, he took a non-traditional path to success. After high school, Stone attended Northeastern University for a year and then transferred to the University of Massachusetts Boston. He never completed his degree, opting instead to dive headfirst into the then-burgeoning world of tech startups. Like many Silicon Valley greats, Biz Stone proved that sometimes, experience and instinct beat a diploma.
Early Career: Building Foundations
Stone’s entry into the tech world wasn’t glamorous, but it was formative. He started at Little, Brown and Company, a publishing house, before moving west to join Xanga, an early blogging platform. This job would prove pivotal as it introduced him to the concept of social publishing – the precursor to the social media revolution.
It was during this period that Stone crossed paths with Evan Williams, who had sold Blogger to Google. Stone joined Google and worked with Williams on refining Blogger. This partnership laid the groundwork for what would become one of the most disruptive tech companies of the 21st century.
The Twitter Era: Changing the Way the World Communicates
In 2006, along with Evan Williams and Jack Dorsey, Biz co-founded Twitter. What began as a side project inside Odeo (their podcasting company) quickly exploded into something much bigger. Stone’s background in design and storytelling helped shape Twitter’s unique identity. He played a crucial role in making the platform simple yet powerful – turning a 140-character limit into the cornerstone of modern social media.
Stone wasn’t just behind the scenes; he became the public face of Twitter, articulating the platform’s mission to democratize information and connect the world in real time. Twitter’s impact on global events, politics, and social movements is undeniable, and Stone was right there during its most explosive years.
By 2011, Twitter had become a household name, and while Stone stepped away from day-to-day operations, his influence on the company’s DNA remained.
Biz Stone’s Net Worth in 2025
So, how much is the man behind one of the most influential social media platforms worth today? As of 2025, Biz Stone’s net worth is estimated to be around $250 million.
That wealth comes not just from Twitter’s success but from Stone’s diverse portfolio of ventures and investments. His eye for identifying promising ideas and his talent for nurturing them into successful companies have kept his financials solid over the years.
Life After Twitter: The Serial Entrepreneur
True to his entrepreneurial spirit, Stone didn’t slow down after leaving Twitter. In fact, he ramped up his efforts to build platforms that combine utility with positive social impact.
In 2011, he and Evan Williams resurrected The Obvious Corporation, a vehicle for new projects. One of its most successful spinouts was Medium, a publishing platform for long-form content that has become a go-to for writers and thought leaders around the globe.
Stone also founded Jelly, a Q&A app designed to leverage human knowledge and empathy. Although Jelly was later acquired by Pinterest, it showcased Stone’s ongoing obsession with connecting people through technology.
More recently, Stone has been involved in Chroma, a search engine focused on color, and through Obvious Ventures, he’s backing startups that balance profit with purpose. His investments include everything from eco-friendly tech to health and wellness companies.
The Humanitarian Side: A Heart for Good
What sets Biz Stone apart from many tech entrepreneurs is his commitment to social impact. He’s long been a proponent of businesses that “do well by doing good.” Alongside his wife, Livia, Stone runs the Biz and Livia Stone Foundation, focusing on causes like education, environmentalism, and poverty alleviation.
Stone has also served on the board of Beyond Meat, aligning with his personal values as a vegetarian and environmental advocate. His work often blurs the lines between tech innovation and social responsibility, showing that it’s possible to care about the bottom line and the planet at the same time.
Author and Public Speaker
In 2013, Biz added “author” to his résumé with the release of “Things a Little Bird Told Me,” a memoir packed with personal stories and reflections on creativity, resilience, and business. The book is an honest and sometimes humorous look at his unconventional path, peppered with lessons for aspiring entrepreneurs.
Stone is also a sought-after speaker, often sharing his philosophies on innovation, leadership, and ethics in business at global conferences and events.
Personal Life: Balancing Tech with Family
Despite his high-profile career, Stone values family life. He and Livia, married since 2007, live with their son Jacob in Marin County, California. Known for keeping a relatively low profile compared to some of his Silicon Valley peers, Stone prioritizes time with his family and advocates for work-life balance – something that’s often rare in the world of tech founders.
A Quiet Giant of Silicon Valley
At 51 years old in 2025, Biz Stone continues to shape how people communicate, share, and connect online. His journey from a modest upbringing in Massachusetts to becoming a tech titan with a net worth of $250 million is proof that creativity, empathy, and innovation can coexist – and thrive.
He’s a reminder that building companies isn’t just about valuations and exit strategies; it’s also about vision, values, and making a meaningful impact.
So, whether you know him from Twitter, Medium, or his philanthropic work, Biz Stone’s influence on the modern digital world is undeniable—and his story is still being written.