About
Brian Baynes is a serial technical founder (Midori Health, Kaleido Biosciences) who co-founded a program for frontier bio startups and brings expertise in synthetic biology, microbiome therapeutics and animal health.
Invests in
BiotechCrypto & Web3Deep TechEnterprise SoftwareHardwareHealthtech
Board director at Nth Cycle
Intro paths
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In turn, Brian can intro founders to Nth Cycle's investors below.
Nth Cycle's investors · 7
Co-founders at Nth Cycle
MO
Megan O'ConnorExecutive Officer, Director
Experience
- Nth CycleBoard Membercurrent2025 — present
- VerdoxFoundercurrent2019 — presentGreater Boston Area
- Pillar VCFounding Pillarcurrent2019 — presentBoston, Massachusetts, United States
- PetriFoundercurrent2019 — presentGreater Boston Area
- Massachusetts Institute of TechnologyLecturercurrent2019 — present
- Midori USA, Inc.Founder2009 — 2021Cambridge, MA
- Kaleido Biosciences, Inc.Member of the Board of Directors; Co-Founder2015 — 2018Greater Boston Area
- Flagship PioneeringPartner2009 — 2017
- Celexion LLCFounder and CEO2009 — 2015Cambridge, MA
- Codon DevicesChief Scientific Officer and Founder2004 — 2009Cambridge, MA
- ExxonMobilResearch Engineer1996 — 2001Paulsboro, NJ
Skills & more
Entrepreneurship40Biotechnology67Lifesciences11Commercialization16Start-ups92Venture Capital73Biofuels16Technology Transfer24Cleantech20R&D16Process Simulation3Molecular Biology15
+12 more
BiochemistryStart-up VenturesProtein ChemistryRenewable EnergyBiomassAngel InvestingBiopharmaceuticalsClean TechnologyVenture FinancingCorporate DevelopmentTechnology EvaluationDrug DiscoveryFrom Brian's professional profile.
Deals · 1
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Petri
Network4
David Berry
General Partner at Flagship Pioneering
Josh Moser
Partner at Petri
Michael Retchin
Associate at Petri
Noubar Afeyan
Investor at Flagship Pioneering
Investors connected to Brian in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Brian Baynes?
- Brian Baynes is a serial technical founder (Midori Health, Kaleido Biosciences) who co-founded a program for frontier bio startups and brings expertise in synthetic biology, microbiome therapeutics and animal health.
- Where does Brian Baynes work?
- Brian Baynes is Investor at Petri and Board director at Nth Cycle.
- What does Brian Baynes invest in?
- Brian Baynes invests in Biotech, Crypto & Web3, Deep Tech, Enterprise Software, Hardware, Healthtech.
- What check size does Brian Baynes write?
- Brian Baynes typically writes checks of $100K – $10M.
- What boards does Brian Baynes sit on?
- Brian Baynes holds tracked board seats at Nth Cycle.
- Where did Brian Baynes go to school?
- Brian Baynes studied at Massachusetts Institute of Technology (PhD, Chemical Engineering); University of Delaware (B. ChE., Chemical Engineering).
Same school
Also attended Massachusetts Institute of Technology1,387
Fred WilsonCo-founder & Partner at Union Square VenturesElad GilSolo general partner investing through Gil CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesHemant TanejaCEO & Managing Director of General CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and Techstars
+ 1,381 more
Also attended University of Delaware61
Michael MignanoGeneral Partner at Union Square Ventures (USV)Erik RannalaCo-Founder & Partner at Mucker CapitalAlphaeus HansonLP Relations at Transform Capital ManagementPurnesh SeegopaulAdvisor at Pangaea Ventures Us Inc.William D. ProvinePresident & CEO at The Innovation SpaceAlex DulinChief Operating Officer at The Innovation Space
+ 55 more
Shared employers
Also worked at Verdox4
Also worked at Massachusetts Institute of Technology479
Aileen LeeFounder & Managing Partner of Cowboy VenturesMatt HuangCo-founder and Managing Partner at ParadigmMichael TruellCo-founder & CEO of CursorRaquel UrtasunFounder & CEO of WaabiColin WebbFounder & CEO of Avatar RoboticsAdam BryCo-founder & CEO of Skydio
+ 473 more
