Where does Peter Chien work?

Peter Chien is Founder of Kaigo Health and AI Fellow at Define Ventures.

What companies did Peter Chien found?

Peter Chien founded Kaigo Health.

Where did Peter Chien go to school?

Peter Chien studied at University of Illinois Urbana-Champaign (Bachelor's degree, Mechanical Engineering); Y Combinator (F25).

Peter Chien

InvestorFounder

AI Fellow at Define Ventures · Founder at Kaigo Health

San Francisco Bay Area

FoundedKaigo Health · YC

Find your path to Peter

247 people in our graph share verified history with Peter — schools, employers, funds. One of them is your warm intro.

Michael RobinsonunlockedPeter: together at Neuralink (2023–2024)

×4Peter: together at Neuralink

×5Peter: together at Bayer

Peter: together at University of Illinois Urbana-Champaign

About

Peter Chien is CEO of Kaigo Health, a senior care company. He previously worked as a hardware and robotics engineer at Neuralink and Varda, and founded two nonprofits focused on elder care; he has also volunteered extensively in hospitals and senior communities.

Founder at Kaigo Health YC F25

Intro paths

Peter went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.

Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Kaigo Health's batch and knows the company first-hand. YC profile ↗

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In turn, Peter can intro founders to Kaigo Health's investors below.

Kaigo Health's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Kaigo Health

Lukas KlaiberCo-Founder

Kazuki ShinFounder

Experience

Kaigo Health (YC F25)Co-Founder & CEOcurrent2024 — presentSan Francisco, California, United States
Define VenturesAI Fellowcurrent2025 — presentSan Francisco, California, United States
NeuralinkRobotics Engineer2023 — 2024Fremont, California, United States
Varda Space IndustriesMechanical Engineer2022Los Angeles, California, United States
Zero2One UIUCAdvisor2022Champaign, Illinois, United States
Zero2One UIUCFounder / President2019 — 2022Urbana-Champaign Area
University of Illinois Urbana-ChampaignResearch Assistant | RoboDesign Lab2020 — 2021
University of Illinois Urbana-ChampaignResearch Assistant | Intelligent Motion Lab2020
BayerMechanical Engineer2021Pittsburgh, Pennsylvania, United States
The Reach of Humanity ProjectFounder / Director2019 — 2020Champaign, Illinois, United States
Health Care Engineering Systems Center at IllinoisRobotics Engineer2020Urbana-Champaign Area
University of Illinois Urbana-ChampaignResearch Assistant | Human Dynamics and Controls Lab2019 — 2020
Spur IQLead Instructor2019Sunnyvale, California

Skills & more

PTC Creo7Java7SolidWorks8Mechanical Engineering1Computer-Aided Design (CAD)1User-centered DesignMarket ResearchEntrepreneurship3Prototyping3Matlab

Languages English · Mandarin · Spanish

From Peter's professional profile.

Colleagues at Define Ventures

Amanda Duckworth

Communications Advisor at Define Ventures

Bangaly Kaba

Consumer Advisor at Define Ventures

Beth Bierbower

Healthcare Advisor at Define Ventures

Brook Byers

Founder, Kleiner Perkins

Bruce Broussard

Venture Partner at Define Ventures

Carolyn Magill

Venture Partner at Define Ventures

Chirag Shah

Partner at Define Ventures

Chuka Esiobu

Principal at Define Ventures

Frequently asked questions

Who is Peter Chien?: Peter Chien is CEO of Kaigo Health, a senior care company. He previously worked as a hardware and robotics engineer at Neuralink and Varda, and founded two nonprofits focused on elder care; he has also volunteered extensively in hospitals and senior communities.
Where does Peter Chien work?: Peter Chien is Founder of Kaigo Health and AI Fellow at Define Ventures.
What companies did Peter Chien found?: Peter Chien founded Kaigo Health.
Where did Peter Chien go to school?: Peter Chien studied at University of Illinois Urbana-Champaign (Bachelor's degree, Mechanical Engineering); Y Combinator (F25).

Founder mafias

Y Combinator mafia10,230

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3 Garry TanPresident & CEOFounded Y Combinator +1 Jessica LivingstonCo-founderFounded Y Combinator Alexis OhanianPartnerFounded Reddit Fred EhrsamYC Summer 2012Founded Nudge +1 Matt HuangYC Winter 2011Founded Paradigm +1

+ 10,223 more

University of Illinois Urbana-Champaign mafia352

Also came through, then founded or led a company.

Max LevchinBSFounded PayPal +2 Luke NosekBSFounded PayPal Ansuman SatpathyPhilosophyFounded Santa Ana +4 Maria FardisB.S.Founded Iovance +2 DeVaris BrownB.S.Founded Super Heroic +2 Harish AgarwalB.S.Founded Nori +2

+ 345 more

Define Ventures mafia14

Also came through, then founded or led a company.

Brook ByersFund AdvisorFounded Insite Vision +1 Frank WilliamsVenture PartnerFounded Advisory +1 Longsha LiuAI Fellow @ Define VenturesFounded Cornell +1 Toby CosgroveHealthcare AdvisorFounded Cleveland Clinic Bruce BroussardVenture PartnerFounded Usoncology Carolyn MagillVenture PartnerFounded Remedy Partners

+ 7 more

Same school

Also attended University of Illinois Urbana-Champaign864

Max LevchinCo-founder of PayPal; founder, chairman & CEO of Affirm; partner at SciFi VC Luke NosekCo-founder of PayPal; co-founder of Gigafund Sundeep PeechuGeneral Partner at Felicis Ventures Deep NisharInvestment Team at General Catalyst Prashant ShahPartner at Monta Vista Capital NoorPartner at Clear Ventures

+ 858 more

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of Kalshi Suhail DoshiFounder of Mixpanel; founder of Particle Subomi OluwalanaCo-founder & CEO of Convoy Arhaan A.Deeptech Fellow at Clear Ventures Collin WallaceGeneral Partner at Lobby Capital Victor SantosVictor Scout at One Way Ventures

+ 1,994 more

Shared employers

Also worked at Kaigo Health (YC F25)2

Lukas KlaiberCo-Founder at Kaigo Health Kazuki ShinFounder at Kaigo Health

Also worked at Neuralink31

Michael RobinsonInvestor at Craft Ventures Andy HarrisonGeneral Partner, CEO at S32 Abdo John HajjFounder of AJH Investments, a private investment office built for long-duration ownership.Randy GleinFounder and Managing Partner at DFJ Chris ShanahanPrincipal at DFJ Mo El-BibanyGeneral Partner at Page One Ventures

+ 25 more

Also worked at Zero2One UIUC1

Johnny ChangCo-Founder at Modo

Also worked at University of Illinois Urbana-Champaign148

Fei-Fei LiCo-founder & CEO of World Labs; Sequoia Professor of Computer Science at Stanford David KoleskyPrincipal at MPM BioImpact Graham CareyInvestment Director - Advanced Materials at Emerald Technology Ventures Ag David AnSenior Software Engineer at Red Cell Incubation Sara Crown StarVenture Partner at FemHealth Ventures Dorin BanielPartner, Israel at NightDragon

+ 142 more

Find your path to Peter

About

Founder at Kaigo HealthYC F25

Intro paths

Kaigo Health's investors · 1

Co-founders at Kaigo Health

Experience

Skills & more

Colleagues at Define Ventures

Frequently asked questions

Founder mafias

Y Combinator mafia10,230

University of Illinois Urbana-Champaign mafia352

Define Ventures mafia14

Same school

Also attended University of Illinois Urbana-Champaign864

Also attended Y Combinator2,000

Shared employers

Also worked at Kaigo Health (YC F25)2

Also worked at Neuralink31

Also worked at Zero2One UIUC1

Also worked at University of Illinois Urbana-Champaign148

Founder at Kaigo Health YC F25