Fundraising Fox

Varun Agarwal

Founder

Founder at Envariant

San Francisco, California, United States

FoundedEnvariant · YC

About

Varun Agarwal has worked in AI and bioengineering research at Stanford, MIT, Inceptive, and NASA. He is currently building interpretability infrastructure for foundation models.

Founder at EnvariantYC W26

Intro paths

YC

Varun went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Diana Hu, General Partner at Y Combinator — the partner who ran Envariant's batch and knows the company first-hand. YC profile ↗

→

In turn, Varun can intro founders to Envariant's investors below.

Envariant's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2026

Experience

  1. Envariant (YC W26)Foundercurrent2026 — present
  2. Decoding BioWritercurrent2025 — present
  3. Stanford University School of EngineeringEndy Lab - Undergrad Researcher2023 — 2025Stanford, California, United States
  4. Stanford Artificial Intelligence Laboratory (SAIL)Undergrad Researcher2025Stanford, California, United States
  5. InceptiveIntern2024Palo Alto, California, United States
  6. Pear VCPear Garage Fellow2022 — 2023
  7. Stanford University School of MedicineSnyder Lab - Research Intern2020 — 2023
  8. AmazonSDE Intern2022Seattle, Washington, United States
  9. Bionano Genomics, Inc.Bioinformatics Intern2021
  10. Massachusetts Institute of TechnologyMIT-Harvard Research Intern2020 — 2021
  11. University of PennsylvaniaWharton-I4A Covid-19 Accelerator Partner2020 — 2021
  12. Augusta UniversityResearch Intern & 1st Author2019 — 2021
  13. Prior ExperiencesEarly Work2018 — 2021
  14. NASA - National Aeronautics and Space AdministrationResearch Intern & 1st Author2018 — 2020

Skills & more

Languages English · French · Hindi

From Varun's professional profile.

Frequently asked questions

Who is Varun Agarwal?
Varun Agarwal has worked in AI and bioengineering research at Stanford, MIT, Inceptive, and NASA. He is currently building interpretability infrastructure for foundation models.
Where does Varun Agarwal work?
Varun Agarwal is Founder of Envariant.
What companies did Varun Agarwal found?
Varun Agarwal founded Envariant.
Where did Varun Agarwal go to school?
Varun Agarwal studied at Stanford University (Bachelor of Science - BS, Computer Science | Biology).

Founder mafias

Y Combinator mafia8,773

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Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

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Stanford University mafia903

Also came through, then founded or led a company.

Peter ThielJ.D.Founded PayPal +1Reid HoffmanB.S.Founded LinkedIn +2Joe LonsdaleBSFounded Opto +3Mike Maples JrBSFounded Pattern BreakersSteve JurvetsonMSEEFounded Mojo VisionBalaji SrinivasanGraduate StudentFounded Counsyl +1

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Pear VC mafia18

Also came through, then founded or led a company.

Jesse HuVenture FellowFounded Abundant +1Ali KashaniEntrepreneur In ResidenceFounded Serve RoboticsHarris StolzenbergPartnerFounded FlokPejman NozadFounding Managing PartnerFounded Pear VCShravan ReddyPartnerFounded PixelapseIain UsiriMember of the Garage ProgramFounded Ramani

+ 11 more

Inceptive mafia3

Also came through, then founded or led a company.

Austin StoneTechnical StaffFounded Tell if AIIlariia BelovaMember of Technical StaffFounded Tell if AI

Same school

Also attended Stanford University2,000

Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia CapitalAnn Miura-KoCo-founding Partner at Floodgate

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Shared employers

Also worked at Decoding Bio5

Morgan CheathamPartner and Head of Healthcare and Life Sciences at Breyer CapitalAmee KapadiaPrincipal at Cantos VenturesKetan YerneniPrincipal at KdT VenturesAmee KapadiaInvestor at Alix VenturesPablo LubrothInvestor at Future Planet Capital

Also worked at Pear VC67

Priscilla RussoAssociate at Redpoint VenturesAli KashaniVenture Partner at Think+ Ventures Management, LlcKristin BeachCFO at Theory VenturesAnand IyerInvestor and founder in San FranciscoRoxana GrunenwaldInvestor at Dorm RoomKatie PassalacquaHead of Finance at EMERGENT VENTURES

+ 61 more

Also worked at Bionano Genomics, Inc.2

Ariell OrtegaExecutive Assistant at Red Tree VentureJaime SosaDirector of Finance at Signet Healthcare Partners

Also worked at Massachusetts Institute of Technology485

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

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