Co-founder of One Month. Faculty at Columbia Business School. I write about startups, technology, and philosophy.


38 Stories by Mattan Griffel

Y Combinator and The One Metric that Matters

It’s been a little while since I’ve written about growth hacking and I wanted to write about my experience with growth hacking since going...
2 min read

How a Non-technical Solo Founder Got Into Y Combinator

Two years ago I quit my full-time job, and declared myself an entrepreneur (inspired by the 4-Hour Workweek). At the time, all I had...
2 min read