Shortcut Your Startup Journey

Get battle-tested tips on building a repeatable, scalable business from a founder trusted by 21,000+ entrepreneurs.

"The Continuous Innovation Framework reflects where the Lean Startup movement is now, rather than where it was a decade ago."

— Eric Ries, Author of The Lean Startup

About LEAN 1-2-3

A newsletter about early-stage entrepreneurship. Created by Ash Maurya, author of Running Lean and creator of Lean Canvas.

Every week, you'll get actionable insights on validating ideas, finding customers, and building products that people actually want — distilled from 15+ years of working with thousands of founders.

Browse Past Issues

Read previous editions of LEAN 1-2-3

View Newsletter Archive

Join 21,000+ Founders

Get weekly startup tips delivered to your inbox