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thinkers50 ranked thinker


Best-selling author, entrepreneur, and business visionary, applying lean business principles to the reinvention of Wall Street.

01. ranked thinker

Ranked #12 in 2019.

Previous positions:
#16 (2017) and #12 (2015).


Shortlisted for the Thinkers50 2019 Ideas Into Practice Award.


Founder of the Long-Term Stock Exchange, which gained SEC approval in May 2019.


Ries’s “lean startup” methodology is practiced by individuals, companies, and governments around the world, helping them to create more successful entrepreneurial initiatives by learning more quickly which ideas work and discarding those that don’t. Furthering his mission to enable thriving businesses in the 21st-century, and applying lean principals, his innovative Long-Term Stock Exchange launched in 2019, disrupting US stock exchanges with a new public markets experience for modern companies and investors committed to long-term success.





Ries has founded a number of startups, including IMVU, where he served as CTO. He has also advised on business and product strategy for venture capital firms and large companies including GE, with whom he partnered to create the FastWorks programme. Ries has served as an entrepreneur-in-residence at Harvard Business School, IDEO, and Pivotal, and he is the founder and CEO of the Long-Term Stock Exchange.


The Startup Way: How Modern Companies Use Entrepreneurial Management to Transform Culture & Drive Long-Term Growth (Portfolio Penguin, 2017); The Lean Startup: How Constant Innovation Creates Radically Successful Businesses (Portfolio Penguin, 2011).




Media Picks


“With his  lean startup methodology, Ries has revolutionised the way entrepreneurs think. His Long-Term Stock Exchange could have an even more profound impact on business.

Stuart Crainer & Des Dearlove, Thinkers50

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