You work 10+ hours a day. Maybe 2 actually move the needle. 

This is a $99 founder performance test, built from benchmarking 400+ founders. You’re getting it free.

In 2 minutes, it shows you which patterns in your brain and calendar are choking your execution and how much revenue they’re costing you.

  • Your Founder Score: a number showing how much of your week is real needle‑moving execution vs fake ‘productive’ busywork.
  • Your biggest execution leaks: procrastination, distraction, overthinking, burnout loops, context‑switching… and which one is doing the most damage.
  • Your revenue drag: an estimate of how much money your under‑execution is burning every month based on your revenue level.

No fluff, woo-woo or platitudes. Just a mirror on what is keeping you stuck, how much revenue it is costing you, and the exact playbook to fix it.

Trusted by 400+ 6-9 Figure Founders 

We Engineer Elite Founder Execution

After training 400+ founders (from early operators to $130M/year CEOs), we’ve seen the same pattern everywhere: when execution is deliberately engineered, revenue jumps. When it isn’t, growth stalls no matter how good the strategy is.

"I felt burned out, chaotic, and honestly ready to quit, but Selfmastered diagnosed exactly what I needed, cleaned the noise out of my head, and gave me the mental stability I needed to have my first 6-figure launch within 2 months"

Lara Acosta
Founder, KLEO & Literally Academy

"I was losing my mind trying to scale, but Selfmastered helped me win the battle of my mind, double my pricing, and finally move from obsessing over next month's profit to leading with a
5-year vision."


Mubasher Ber (Wiz of Ecom)

Founder Utopia.io + Mogul Media

"Selfmastered helped me condense three years of business growth into just four months, taking my agency from $25k to $50k per month while making me a significantly happier and more fulfilled leader."


Matthew Attalah

Founder, StepLabs

Hey, I'm Horacio León Castillo, Founder of Selfmastered.

My main work is Selfmastered, where I help ambitious founders consistently execute at the highest level without burnout. I also invest as a BA (seed stage) and teach at IE University.

Over the last 6 years, we’ve trained 400+ founders using a system built from neuroscience, behavioral science, and performance psychology.