Fundraising Fox

Stephen Grinich

Founder

CEO & Founder at HealthSpark

San Francisco, California, United States

FoundedHealthSpark Β· YC

About

CEO and founder of HealthSpark, which delivers telehealth physical therapy services to patients with musculoskeletal conditions.

LinkedIn β†—X / Twitter β†—
Latest on 𝕏

Stephen Grinich @stephengrinich

Many raging wildfires north of us – we lucked out with favorable westerly winds https://t.co/Uf4u8Ffytk

Jul 27, 2026 Β· β™₯ 1

Stephen Grinich @stephengrinich

Touching grass, ice, and scree on our way to the top of South Sister https://t.co/7RPyn752jv

Jul 27, 2026 Β· β™₯ 7

Stephen Grinich @stephengrinich

Overseen in PDX https://t.co/nf6T6WF1Kh

Jul 25, 2026 Β· β™₯ 1

CEO & Founder at HealthSparkYC F24

Intro paths

YC

Stephen went through Y Combinator (Fall 2024) β€” any YC alum in your network can reach them through the YC community.

β†’

In turn, Stephen can intro founders to HealthSpark's investors below.

HealthSpark's investors Β· 1

Y Combinator

Experience

  1. HealthSpark (YC F24)Foundercurrent2024 β€” presentSan Francisco, CA
  2. Rad AISoftware Engineer2023 β€” 2024
  3. Flare Capital PartnersFlare Capital Scholar2022
  4. 98point6 Inc.Software Engineer2018 β€” 2021

Education

  1. Y CombinatorF24
  2. University of California, BerkeleyMaster of Translational Medicine (MTM)
  3. University of California, San FranciscoMaster of Translational Medicine (MTM)
  4. University of California, Berkeley, Haas School of BusinessMBA electives for non-MBA Graduate Students
  5. Stanford University School of MedicineStanford-Berkeley Exchange Program: Biodesign For Digital Health
  6. Carleton CollegeBachelors of Arts, Computer Science
  7. Center for University Programs AbroadFrench Language and Literature

Skills & more

Mobile Application Development2Product Development1Android Development7iOS Development12Web Development7Research4Software Development1TypeScriptAccessibilityAmazon Web Services (AWS)1Android10Angular.js4
+2 morePythonNode.js

Languages English

From Stephen's professional profile.

Founder mafias

Y Combinator mafia8,668

Also came through, then founded or led a company.

Sam AltmanPresidentFounded LooptFred EhrsamYC Summer 2012Founded CoinbaseMatt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded PursuitDelian AsparouhovYC Summer 2014Founded Nightingale +1Justin KanYC Winter 2018Founded Rye +3

+ 8,661 more

University of California, Berkeley mafia448

Also came through, then founded or led a company.

Ivan ZhouMolecular BiologyFounded Decagon +2Sean GroveFounded Linzumi +2Lucas HarringtonDoctor of Philosophy - PhDFounded Preventive +1Jinal JhaveriProfessional Certificate ProgramFounded SchoolMint +1Jacob HookerPh.D.Founded Sensorium Therapeutics +1Justin HughesBAFounded Revolution RE +1

+ 441 more

University of California, Berkeley, Haas School of Business mafia92

Also came through, then founded or led a company.

Ivan ZhouBachelor of Science (B.S.)Founded Decagon +2Keith LendenMBAFounded Boundless Bio +1Doktor GursonHigh Impact LeadershipFounded Doblet +1Anuj SaigalBSFounded Spark +1Alex LeeMBA Exchange ProgramFounded Truewind +1Nelson RayBachelor of Science - BSFounded ByDesign +1

+ 85 more

University of California, San Francisco mafia24

Also came through, then founded or led a company.

Geoffrey von MaltzahnMSFounded Sana Biotechnology +3Luke EvninPhDFounded Mpmcapital +1Alec NielsenBiophysicsFounded Asimov +1Dino Di CarloPh.D.Founded Forcyte Biotechnologies +1Harlan LevineDoctor of Medicine (MD)Founded Quantum HealthAdam CottonDoctor of Philosophy - PhDFounded Epi Biologics

+ 17 more

Stanford University School of Medicine mafia12

Also came through, then founded or led a company.

Ansuman SatpathyPostdoctoral FellowFounded Santa Ana Bio +2George FavvasCertificateFounded Clara +1Naveen YalamanchiMDFounded Rocket PharmaJimmy QianDropped out of M.D. program to start OsmindFounded OsmindJosh SilvermanDoctor of Philosophy (PhD)Founded Windfall BioAnkur GuptaFellowshipFounded Spect

+ 5 more

Same school

Also attended Y Combinator2,000

Leo LuInvestor at Foundation CapitalMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesVictor SantosVictor Scout at One Way VenturesSwapnil JainCEO, Observe.AI at EMERGENT VENTURESChase AdamPartner at Very Serious Ventures

+ 1,994 more

Also attended Stanford University School of Medicine77

Jeffrey FinerVenture Partner at Third Rock VenturesRebecca MancusiInvestor at Third Rock VenturesSebastian CaliriInvestment Team at 8VCAlex MorganInvestor at Khosla VenturesLauren PopovAssociate at Westlake Village BioPartnersClare OzawaManaging Director at Versant Ventures

+ 71 more

Also attended Carleton College25

Jessie HaoInvestor at Notable CapitalMira ChaurushiyaManaging Director at Westlake Village BioPartnersCharles ZedlewskiVenture Partner at Zero Prime VenturesMichelle SnyderPartner, Venture at McKesson VenturesSkyler KessenichAnalyst, Data Science at Growth Street PartnersHeather McPhersonPrincipal, Director of Impact at S2G Investments

+ 19 more

Shared employers

Also worked at Rad AI7

Bruce ArmstrongInvestor at Khosla VenturesSara VaezyAdvisor at Windham Capital PartnersDalton WrightGeneral Partner at Kickstart FundDanny WenPartner and Head of Business Development at WingDoktor GursonFounder/CEO at DobletJeff ChangFounder/CTO at Doblet

+ 1 more

Also worked at Flare Capital Partners45

Kristen LaguerreExecutive Partner at MPM BioImpactAdam BrucePartner, Chief Financial and Chief Operating Officer at Flare Capital PartnersIan ChiangPartner at Flare Capital PartnersParth DesaiPartner at Flare Capital PartnersDan GebremedhinPartner at Flare Capital PartnersJonathon GeorgeVice President at Flare Capital Partners

+ 39 more

Also worked at 98point6 Inc.3

Ellie TvedtSenior Associate at Oxeon PartnersAnshul SachdevaAnalyst at Insight PartnersRobbie SchwietzerInvestor at Khosla Ventures