Eric Ries

Eric Ries was born in 1978 and grew up in Connecticut before attending Yale University, where he studied computer science. During his undergraduate years he co-founded a startup that failed—a formative experience that set the trajectory of his subsequent thinking about why new ventures succeed or collapse. He moved to Silicon Valley after graduation and joined several early-stage technology companies, experiencing both the excess of the dot-com bubble and the lessons embedded in its collapse.

While serving as chief technology officer of IMVU, a social network he co-founded in 2004, Ries developed the principles that would become the foundation of the lean startup methodology. Frustrated by the traditional approach of building comprehensive products in secrecy before launching, he began experimenting with rapid, iterative cycles of hypothesis formation, minimal product development, and customer feedback. These ideas drew on lean manufacturing principles from Toyota, customer development theory from Steve Blank, and agile software development practices.

He began writing about these ideas on his blog, Startup Lessons Learned, which attracted a substantial following. His book The Lean Startup: How Today’s Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses, published in 2011, codified the methodology into a widely accessible framework centered on the minimum viable product (MVP), validated learning, and the build-measure-learn feedback loop. The book became required reading in business schools, accelerators, and product teams worldwide, and the lean startup movement it catalyzed has influenced how thousands of companies approach product development.

The core insight of Ries’s framework is that startups operate under conditions of extreme uncertainty where the traditional tools of management—planning and forecasting against a fixed plan—are less useful than the ability to rapidly test assumptions, measure real customer behavior, and make data-informed decisions about whether to persevere, pivot, or abandon a given direction.

Eric Ries followed The Lean Startup with The Startup Way in 2017, extending the lean startup methodology to large established organizations. He continues to develop the Long-Term Stock Exchange, a public market designed to incentivize long-term thinking and stakeholder governance—an extension of his conviction that the incentive structures shaping how organizations behave are as important as any operational methodology.

Books by Eric Ries