Test your way to Product-Market Fit

Launch new ideas, test business models and get fast customer traction with Lean-driven Innovation.

I'm Javier Rincon, lean, product and growth expert, previously CEO @Proudsugar. I work as a contractor and helped companies increase their user base and revenues  by Millions. Check services to see how I can help you.

In my newsletter, I share learnings in essay-form about achieving problem-solution fit and problem-market fit to help you unlock ridiculous growth. My work's been covered in Huffington Post and TechCrunch.

Max 1 email/month. Unsub anytime.