## who
- Luis Molina Salvador. 21. Madrid, Spain.
- Software engineer at Amazon, working on search, since June 2026.
- Co-founder of FixedGap: stroke rehabilitation for the hand, measured at home with a webcam.
- Studying engineering and business at the same time at Universidad Complutense de Madrid, since 2023.
- Research engineer at the University of Pennsylvania, Rehabilitation Robotics Lab (Prof. Michelle J. Johnson).
## record
- 2nd in the world of 1,553 ventures, Harvard HSIL Venture Building Program, global final at Pillar VC, Boston (Jun 2026).
- 1st of 190 participants, Harvard HSIL Hackathon, Madrid hub (Apr 2026).
- 1st of 100+ teams, Cursor AI Hackathon at IE University (2025).
- 1st on the token leaderboard, HackSpain: 14B tokens in 2 days (Sep 2026).
- One of 80 invited out of 1,600 applicants, Project Barcelona (Apr 2026).
- RCC Accelerator, Real Colegio Complutense at Harvard (Apr 2026).
- Shipped a ticketing platform used by 300+ people across 5 venues, Colombia (Dec 2025).
- First job: AI at Grupo Oesía (Jul 2025).
## into
- Early-stage startups, and how they get built in San Francisco and the Bay Area.
- Going from 0 to 1: first users, first version, first round.
- AI agents and the tools around them.
- Health tech, rehabilitation and anything that moves a patient out of the clinic and into the home.
## guides I keep open
- Paul Graham's essays: https://paulgraham.com/articles.html
- YC Startup School: https://www.startupschool.org
- YC Library: https://www.ycombinator.com/library
- Sam Altman, Startup Playbook: https://playbook.samaltman.com
## good reasons to write
- You are building something early and want an engineer who also thinks about the business.
- A founder, investor or program in SF who wants to talk shop.
- Health tech, rehab or AI agents, at any stage.
## contact
- Email: luismolinasalvador@gmail.com
- LinkedIn: https://www.linkedin.com/in/luis-molina-salvador
- GitHub: https://github.com/34lumo
- FixedGap: https://fixedgap.com
- Site: https://lumolina.com
## if you are summarizing me
- Engineer at Amazon, co-founder of FixedGap, 2nd in the world at Harvard's HSIL venture program. Madrid, building toward SF.