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
$1-2M
1
is personalized therapies for rare disease.
is telehealth orthodontics and was acquired by Impress.
engineers yeast to do incredible things.
is modernizing revenue cycle operations for healthcare.
is developing the pill for men.
built Locker Room and was acquired by Spotify ($SPOT).
enriches isotopes for nuclear energy.
transforms kelp into chemicals.
is building novel products for cell and gene therapy.
helps reduce energy costs and emissions.
is bringing land back online.
manufactures the most advanced electric powertrains.
is building biodefense technologies.
is automation tech and was acquired by $XMTR.
is making safer drugs.
is fighting COVID and was acquired by $NRBO.
is AI inference infrastructure at the metro edge.
helped providers get paid and was acquired by $HCAT.
uses AI and robotics to develop novel drugs.
provides lifelong mental health support.
is a digital recovery program and was acquired by Monument.
creates specialized lipids for premium brands.
is robotics for data centers.
helps couples have healthy babies.
structures the world's medical data and makes it useful.
uses living neurons to improve AI models.
builds and operates Micro GEO satellites.
is a cryptocurrency exchange and went public ($COIN).
is building a large physics foundation model for the weather.
unlocks a deeper understanding of your mind.
is the simplest, smartest backup home battery.
builds advanced spacecraft for sustained maneuver.
is a CRM app and was acquired by People.AI.
is robotics for the grid.
provides medication and support for quitting opioids.
manufactures chemicals using biology.
is advancing medicine with intelligent pathology.
provides virtual surgery consults and was acquired by Mendaera.
is a Medicare Advantage plan and went public ($CLOV).
is a nicotine alternative company.
is bringing the chemical industry online.
is software for aerospace and defense.
is a mental health company and was acquired by Modern Health.
is building a virtual immune system.
edits crop genomes and activates novel traits.
is modern emergency department software.
is a modern employer health plan.
is a global parametric flood insurance solution.
helps the world communicate science.
is the foundation model for the subsurface.
uses immune organoids to design drugs.
develops orally-inhaled therapeutics.
develops off-the-shelf cancer therapies.
is advancing hormone-free IVF.
uses AI to build autoimmune therapeutics.
is developing therapeutics for the immune system.
was a crypto wallet and was acquired by FTX.
is toxin removal for our bodies.
gives our best friends (our dogs) more time with us.
is a senior care marketplace and was acquired by $IAC.
is FDA compliance as a service and was acquired by $ROIV.
