Mi
guel
BA
I design and build with AI for early-stage founders who need to go from idea to product in weeks, not quarters.
Currently at Counter HealthScroll01 / Manifesto
I don’t just design screens. I help founders decide what to build, prototype it with AI and ship it.
02 / Selected work
Hover a case to open itTap a case to read itCustomela
Sole designerShipped−70% errors
A legal contract SaaS I designed alone: 48 screens before any developer saw them, and the 35% that changed in the build.
OutcomeNow a standalone SaaSErrors7 → under 2 per contractLessonTalk to dev before FigmaKeller Offers
Lead designerDid not shipTold honestly
The one that failed: a good design, a kit nobody agreed to and management that left after two meetings.
OutcomeDid not shipScope3 programs → 1LessonWho must be in the roomRealismo Mágico
FounderOwn project~18 of 600 sold
Two award-winning books and four websites, and why it stalled: fear of being seen, not the product.
Books2, grant winnersSites4 versionsLessonAudience before product03 / How I work with founders
First 90 daysUnderstand
Interviews, data and a risk map. One clear product bet.
Build & test
AI-built prototypes, tests with real users and a first design system.
Ship & measure
Release, metrics with a source, and a design practice ready to grow.
04 / Side projects
Move over the cardsSwipe →Quien lo goza
A bilingual guide to Barranquilla with a planner that turns visitors into guests.
Realismo Mágico
Stories and two award-winning books from the Colombian Caribbean.
Leaseback
A guide and calculators for homeowners who sell their house and rent it back. I designed and launched it at Sell2Rent.
05 / Writing
Hover to previewOne piece a weekAfter 8 years in early-stage startups, the most valuable designer is the one who fills the gaps nobody else sees.
Intuition forms bold bets. Research and tests validate them before you scale.
What works pre-PMF: short cycles, design debt on purpose and talking to users more than you design.
06 / About
Mentive → today
Sole designer at Mentive, product at Sell2Rent, now on Counter Health. Built from the Caribbean, for teams anywhere.
More about me