Risking It All?
Better Call ↳Zal.
I’m Zal (rhymes with “Saul”), solo GP at Refactor. For over a decade, I’ve backed founders refactoring the real world: atoms, not bits.
I invest $1–2M in seed stage hard tech startups across the US. One investor managing $300M across five funds. If we work together, I want to be your first call.
Submit your pitch → it goes straight to my inbox.
A Refactor founder coined “Better Call Zal.” I try to earn it every day.
5
$50M
$1-2M
1
structures the world's medical data and makes it useful.
is AI inference infrastructure at the metro edge.
is building novel products for cell and gene therapy.
is a cryptocurrency exchange and went public ($COIN).
transforms kelp into chemicals.
manufactures the most advanced electric powertrains.
develops off-the-shelf cancer therapies.
is a digital recovery program and was acquired by Monument.
helps couples have healthy babies.
is software for aerospace and defense.
uses AI and robotics to develop novel drugs.
is making safer drugs.
unlocks a deeper understanding of your mind.
is automation tech and was acquired by $XMTR.
helps reduce energy costs and emissions.
is a modern employer health plan.
is bringing land back online.
is a senior care marketplace and was acquired by $IAC.
is the foundation model for the subsurface.
gives our best friends (our dogs) more time with us.
is bringing the chemical industry online.
builds and operates Micro GEO satellites.
enriches isotopes for nuclear energy.
is building a virtual immune system.
is telehealth orthodontics and was acquired by Impress.
engineers yeast to do incredible things.
is modernizing revenue cycle operations for healthcare.
is building biodefense technologies.
creates specialized lipids for premium brands.
is a Medicare Advantage plan and went public ($CLOV).
provides medication and support for quitting opioids.
is a global parametric flood insurance solution.
is a mental health company and was acquired by Modern Health.
is building a large physics foundation model for the weather.
is modern emergency department software.
is fighting COVID and was acquired by $NRBO.
is advancing medicine with intelligent pathology.
builds advanced spacecraft for sustained maneuver.
is robotics for the grid.
is robotics for data centers.
was a crypto wallet and was acquired by FTX.
provides virtual surgery consults and was acquired by Mendaera.
is personalized therapies for rare disease.
is developing the pill for men.
helped providers get paid and was acquired by $HCAT.
provides lifelong mental health support.
built Locker Room and was acquired by Spotify ($SPOT).
is FDA compliance as a service and was acquired by $ROIV.
helps the world communicate science.
edits crop genomes and activates novel traits.
is toxin removal for our bodies.
develops orally-inhaled therapeutics.
is a CRM app and was acquired by People.AI.
is advancing hormone-free IVF.
uses immune organoids to design drugs.
uses living neurons to improve AI models.
uses AI to build autoimmune therapeutics.
manufactures chemicals using biology.
is a nicotine alternative company.
is the simplest, smartest backup home battery.
is developing therapeutics for the immune system.
