Find your path to Brian
985 people in our graph share verified history with Brian — schools, employers, funds. One of them is your warm intro.
Anika GuptaunlockedBrian: together at Flagship Pioneering (2017)
×5Brian: together at Massachusetts Institute of Technology
Brian: together at Kaleido Biosciences, Inc.
×2Brian: together at Flagship Pioneering
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 · 8
Autodesk FoundationSan FranciscoBroadscaleNew YorkClean Energy VentureBoston · since 2026Clean Energy VenturesBoston · $100K – $5M checksEquinor VenturesStavanger · $1M – $70M checksMuus Climate PartnersNew YorkPillar VCBoston · $50K – $4M checks · since 2026VoLo Earth VenturesSnowmass Village · $2M checks
Co-founders at Nth Cycle
MO

Megan O'ConnorCo-Founder and CEO
CD
Chad D. Vecitis, PhDCo-Founder and Chief Scientist
DP
Desirée Plata, PhDCo-founder & Science Advisor
Experience
- Nth CycleBoard Membercurrent2025 — present
- VerdoxFoundercurrent2019 — presentGreater Boston
- Pillar VCFounding Pillarcurrent2019 — presentBoston, Massachusetts, United States
- PetriFoundercurrent2019 — presentGreater Boston
- 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
+8 more
BiochemistryStart-up VenturesProtein ChemistryRenewable EnergyBiomassAngel InvestingBiopharmaceuticalsClean TechnologyFrom 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 Technology2,000
Hemant TanejaCEO & Managing Director of General CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and TechstarsMatt HuangCo-founder and Managing Partner at ParadigmDelian AsparouhovPartner at Founders Fund and co-founder of VardaDrew HoustonCo-founder & CEO of Dropbox
+ 1,994 more
Also attended University of Delaware186
Michael MignanoGeneral Partner at Union Square Ventures (USV)Erik RannalaCo-Founder & Partner at Mucker CapitalBrendan FureyChief Compliance Officer at MPM BioImpactMollie RiceAccounting Manager at Golden SeedsIvan LearmontVice President, Information Technology & Facilities at Northpond VenturesJames MassaquoiSenior Investment Associate at Glasswing Ventures
+ 180 more
Shared employers
Also worked at Massachusetts Institute of Technology867
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 RoboticsAbraham BachrachCo-founder & CTO of Skydio
+ 861 more
Also worked at Midori USA, Inc.2
Also worked at Kaleido Biosciences, Inc.10
Noubar AfeyanInvestor at Flagship PioneeringMichael MeePrincipal at Amplitude Venture CapitalNichola EliovitsManaging Partner at Olive Tree CapitalGeoffrey von MaltzahnGeneral Partner at Flagship PioneeringClare FisherSenior Vice President, Business Development and Mergers & Acquisitions at BeiGeneRahul ChaturvediFounder and CEO at Clora
+ 4 more
Also worked at Flagship Pioneering105
Anika GuptaInvestor at GV (Google Ventures)Noubar AfeyanInvestor at Flagship PioneeringCassidy BlundellPartner at Mission BiocapitalDavid KoleskyPrincipal at MPM BioImpactDiana BernsteinDirector at Northpond VenturesInca ComanVenture Partner at ARCH Venture Partners
+ 99 more












































