The Lean Startup

Praise for The Lean Startup

“I make all our managers read The Lean Startup.”

— Jeffery Immelt, CEO, General Electric

"Eric has created a science where previously there was only art.  A must-read for every serious entrepreneur—and every manager interested in innovation."

— Marc Andreessen, Co-Founder of Andreessen Horowitz, Opsware Inc. and Netscape

“Ries shows us how to cut through the fog of uncertainty that surrounds startups. His approach is rigorous; his prescriptions are practical and proven in the field. The Lean Startup will change the way we think about entrepreneurship.  As startup success rates improve, it could do more to boost global economic growth than any management book written in years.”

— Tom Eisenmann, Professor of Entrepreneurship, Harvard Business School

“The Lean Startup is the book whose lessons I want every entrepreneur to absorb and apply.  I know of no better guide to improve the odds of a startup's success."

— Mitchell Kapor, Founder, Lotus Development Corp.

"At Asana, we've been lucky to benefit from Eric's advice firsthand; this book will enable him to help many more entrepreneurs answer the tough questions about their business."

— Dustin Moskovitz, co-founder of Facebook and Asana

“Ries' splendid book is the essential template to understand the crucial leadership challenge of our time: initiating and managing growth!”

— Warren Bennis, Distinguished Professor of Business, University of Southern California

"The Lean Startup isn't just about how to create a more successful entrepreneurial business, it's about what we can learn from those business, to improve virtually everything we do. I imagine Lean Startup principles applied to government programs, to healthcare, and to solving the world's great problems. It's ultimately an answer to the question 'How can we learn more quickly what works, and discard what doesn't?'"

— Tim O'Reilly, CEO, O'Reilly Media

“Eric Ries unravels the mysteries of entrepreneurship and reveals that magic and genius are not the necessary ingredients for success but instead proposes a scientific process that can be learnt and replicated. Whether you are a startup entrepreneur or corporate entrepreneur there are important lessons here for you on your quest toward the new and unknown.”  — Tim Brown, CEO of IDEO

“The roadmap for innovation for the 21st century. The ideas in The Lean Startup will help create the next industrial revolution.”

— Steve Blank, Lecturer, Stanford University 

"If you are an entrepreneur, read this book. If you are thinking about becoming an entrepreneur, read this book.  If you are just curious about entrepreneurship, read this book.  Starting Lean is today's best practice for innovators.  Do yourself a favor and read this book."

— Randy Komisar, Founding Director of TiVo

“The Lean Startup is a foundational must-read for founders, enabling them to reduce product failures by bringing structure and science to what is usually informal and an art.  It provides actionable ways to avoid product-learning mistakes, rigorously evaluate early signals from the market through validated learning, and decide whether to persevere or to pivot, all challenges that heighten the chance of entrepreneurial failure.”

— Professor Noam Wasserman, Harvard Business School

“Every founding team should stop for 48 hours and read Lean Startup. Seriously stop and read this book now.”

— Scott Case, CEO Startup America Partnership

“Business is too important to be left to luck.  Eric reveals the rigorous process that trumps luck in the invention of new products and new Business. We've made this a centerpiece of how teams work in my company. It works! This book is the guided tour of the key innovative practices used inside Google, Toyota, and Facebook, that work in any Business ”

— Scott Cook, Founder and Chairman of the Executive Committee, Intuit