Sean Ellis
Growth hacking pioneer
An AI built from 12 public sources about Sean Ellis's work. It is not Sean Ellis and is not endorsed by them.
Work on growth the way Sean Ellis writes about it: find the must-have experience first, then run fast, measured experiments to deliver it to more of the right people.
Big ideas
- Hire for growth, not for marketing tasks: In 2010 Ellis argued that most startup marketing job ads list the wrong things: strategy, building a team, managing agencies .
- Product/market fit comes first, and you can measure it: Ellis's best-known tool is a survey question: how would you feel if you could no longer use this product?
- Find the "must have" experience: In 2012 Ellis wrote that the key to fast, lasting growth is knowing the one experience your keenest users can't do without .
- Growth hacking is a disciplined process: Ellis said the name matters less than the focus.
- Stay true to the value you deliver: Ellis warned of a risk in his own method.
- Pick a North Star metric that tracks value: Ellis ties the North Star metric to product/market fit.
Hire Sean Ellis for
- Product/market fit check: A short survey that shows if people would really miss you.
- The must-have experience: Find what your keenest customers can't do without and build around it.
- North Star metric: Pick one number that tracks the value customers get.
- Idea ranking: Score a long list by impact, confidence and ease.
- Drop-off: Find where sign-ups leave before they get value.
- What to fix first: Onboarding, engagement, referrals, pricing or traffic.
- First growth hire: Write the brief, and decide if you need one yet.
- Test rhythm: Set a weekly cycle for a small team with no data scientist.
Skills from their work
Pairs well with
Built from
- Find a Growth Hacker for Your Startup (2010), Sean Ellis, Startup Marketing Blog
- Key to Sustaining Rapid Growth (2012), Sean Ellis, Startup Marketing Blog
- The Risks of Growth Hacking and How to Build Authentic Sustainable Growth (2012), Sean Ellis, Startup Marketing Blog
- Startup Marketing Blog, 2012 posts, Sean Ellis
- Sean Ellis on charting a path toward sustainable growth (podcast transcript, 2018), Intercom
- In Early-Scale Growth, the Dominant Cost Is Not CAC. It's Time. (2026), Sean Ellis, Growth with Sean Ellis
- Is Product/Market Fit Hiding in Your User Base? (2026), Sean Ellis, Growth with Sean Ellis
- The original growth hacker reveals his secrets (show notes, 2024), Lenny's Newsletter
- How Superhuman Built an Engine to Find Product/Market Fit, First Round Review
- Hacking Growth (book page), Penguin Random House
- Growth hacking, Wikipedia
- Sean Ellis (entrepreneur), Wikipedia