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Andson Biotech
YC W22Atlanta, US · Founded 2021 · Delaware corporation · 12 employees · Hiring · 8 known investors
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Andson Biotech develops analytical tools for the analysis of biotherapeutics, aimed at supporting the discovery and development of biologic drugs.
BiotechDeep TechHealthtechGene TherapyHard TechHealthcareTherapeuticsUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W22)
Andson Biotech was founded in 2021 by Mason Chilmonczyk.
MC
Mason ChilmonczykChief Executive Officer & Co-founderMason Chilmonczyk holds a bachelor's degree in mechanical engineering from the University of South Florida and master's and doctoral degrees from Georgia Institute of Technology. He is co-founder and CEO of Andson Biotech, an academic spinout focused on biomanufacturing discovery and monitoring technologies.
JF
Jim FilippiniPresident, Chief Commercial Officer, and Board Observer (formerly COO)Jim Filippini began his career in medical laboratories and chemical manufacturing before transitioning to technical sales and leadership roles in business development, marketing, and distribution at life sciences companies. He has held executive positions at multiple organizations in the sector, including Axion where he expanded the commercial team and contributed to product development.
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Rob GrierVice President of Operations
Board
AF
Andrei FedorovBoard director
TO
Thomas O'BrienBoard director
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James RossBoard director
GE
Glenn EpsteinBoard director
Investors · 8
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Gaingelslisted by GaingelsNew York · $200K – $500K
How we know: Y Combinator's founder network · gaingels.com · Not right? Tell us
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
Equity Trust CompanyreportedWestlake
How we know: Y Combinator's founder network · Not right? Tell us
McKesson VenturesreportedSan Francisco
How we know: Y Combinator's founder network · Not right? Tell us
Merck Global Health Innovation FundreportedRahway · $10M
How we know: Y Combinator's founder network · Not right? Tell us
Northpond VenturesreportedBethesda · $100K – $5M
How we know: Y Combinator's founder network · Not right? Tell us
Phase Two VenturesreportedSan Diego
How we know: Y Combinator's founder network · Not right? Tell us
Unpopular VenturesreportedMiami · $100K – $500K
How we know: Y Combinator's founder network · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$8.3M disclosed across 2 rounds · 2024–2025
▶$4.7MraisedOct 2025 · 29 investors · BiotechnologyRule 506(b)
▶$4.7MraisedOct 2025 · 29 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Andrei FedorovDirector
- Mason ChilmonczykExecutive Officer, Director
- Jim FilippiniExecutive Officer
- Thomas O'BrienDirector
- Glenn EpsteinDirector
- James RossDirector
- Offering amount
- $5M
- Amount sold
- $4.7M
- First sale
- Oct 2025
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$3.6MraisedMar 2024 · 37 investors · BiotechnologyRule 506(b)
▶$3.6MraisedMar 2024 · 37 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Andrei FedorovDirector
- Mason ChilmonczykExecutive Officer, Director
- Thomas O'BrienDirector
- James RossDirector
- Offering amount
- $3.6M
- Amount sold
- $3.6M
- Minimum investment
- $5K
- Proceeds to insiders
- $250K
- First sale
- Mar 2024
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Perception BiosystemsPerception Biosystems develops automated manufacturing systems for gene therapy production, aiming to reduce the time and cost of producing therapies for rare disease clinical trials.
Companies working in the same space as Andson Biotech.
Legal entities · 1
corporate structureAndson Biotech Inc.
In the news
Frequently asked questions
- What does Andson Biotech do?
- Andson Biotech develops analytical tools for the analysis of biotherapeutics, aimed at supporting the discovery and development of biologic drugs.
- Who founded Andson Biotech?
- Andson Biotech was founded by Mason Chilmonczyk in 2021.
- Who are Andson Biotech's investors?
- Andson Biotech's investors include Gaingels, Y Combinator, Equity Trust Company, McKesson Ventures, Merck Global Health Innovation Fund, Northpond Ventures, Phase Two Ventures, Unpopular Ventures.
- How much funding has Andson Biotech raised?
- Andson Biotech has disclosed $8.3M raised across 2 rounds.
- Where is Andson Biotech headquartered?
- Andson Biotech is headquartered in Atlanta, US.