/Companies

ResistanceBio

DefunctYC W19

San Francisco, US · Founded 2016 · Delaware corporation · 15 employees · 19 known investors

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ResistanceBio develops treatments to address drug resistance in cancer patients.

Also known as Viosera Therapeutics

BiotechHealthtechAI-powered Drug DiscoveryUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W19)

ResistanceBio was founded in 2016 by Nicholas Goldner and Christopher Bulow.

NGNicholas Goldner
Nicholas GoldnerFounder2021–2024Nicholas Goldner holds a PhD in molecular cell biology and has expertise in cellular adaptation mechanisms. He applies this background to company building and project evaluation.
CBChristopher Bulow
Christopher BulowCTO, Co-Founder2023–2024Christopher Bulow founded Viosera Therapeutics, which developed antimicrobial drugs, and subsequently founded ResistanceBio to address drug resistance challenges in cancer treatment for pharmaceutical companies.
KL
KYLE LAPHAMNamed on SEC filing

Board

OAOMRI AMIRAV-DRORY
OMRI AMIRAV-DRORYBoard directorGeneral Partner at NFX

Investors · 19

Fifty Yearslisted by Fifty YearsSan Francisco · $250K – $2M

How we know: Fifty Years's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

ArchangelsreportedEdinburgh

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Cherubic VenturesreportedGrand Cayman

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FrialereportedNashville · $100K – $600K

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GravityreportedMinneapolis

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Leva CapitalreportedToronto

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North South VenturesreportedToronto

How we know: Y Combinator's founder network · Not right? Tell us

PioneerreportedToronto, Ontario

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SV AngelreportedSan Francisco · $150K – $20M

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Venture Investment AssociatesreportedPeapack

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Reported raises · per SEC filings

Form D private placements

$12.8M disclosed across 1 round · 2024

▶$12.8MraisedJan 2024 · 44 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • NICHOLAS GOLDNERExecutive Officer, Director
  • KYLE LAPHAMExecutive Officer, Director
  • OMRI AMIRAV-DRORYDirector
  • CHRISTOPHER BULOWExecutive Officer, Director
Offering amount
$12.8M
Amount sold
$12.8M
Minimum investment
$1
First sale
Jan 2024
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Founder mafia

3 people who came through ResistanceBio went on to found or lead other companies.

Related companies · 5

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zPREDICTAzPREDICTA manufactures three-dimensional tissue culture models derived from patient samples that recreate human organ microenvironments for drug testing. Pharmaceutical companies and researchers use the models to evaluate cancer drug candidates and predict clinical efficacy before human trials.
Rosebud BiosciencesRosebud Biosciences develops therapies for rare genetic diseases in children by creating organoid models that replicate patient genetic mutations and using drug screening to identify potential cures. The company uses human-derived organoids combined with robotics and machine learning to accelerate drug discovery across cardiac, hepatic, neural, and kidney disease targets.
Lavo Life SciencesLavo Life Sciences offers computational molecular simulations to pharmaceutical companies, helping them optimize drug formulations, reduce experimental costs, and accelerate the path to clinical trials and regulatory approval.

Companies working in the same space as ResistanceBio.

Legal entities · 1

corporate structure
resistanceBio, Inc.

Frequently asked questions

What does ResistanceBio do?
ResistanceBio develops treatments to address drug resistance in cancer patients.
Who founded ResistanceBio?
ResistanceBio was founded by Nicholas Goldner, Christopher Bulow in 2016.
Who are ResistanceBio's investors?
ResistanceBio's investors include Alumni Ventures, Fifty Years, Y Combinator, Archangels, Asymmetry Ventures, Brightstone Venture Capital, Cantos Ventures, Centennial Investors and 11 more.
How much funding has ResistanceBio raised?
ResistanceBio has disclosed $12.8M raised across 1 round.
Where is ResistanceBio headquartered?
ResistanceBio is headquartered in San Francisco, US.