Experience
- Untethered VenturesManaging Partnercurrent2023 — presentSan Francisco, California, United States
- Sand Hill AngelsMember, Board Of Directorscurrent2021 — present
- PulzAidFounder/ Strategic Advisorcurrent2021 — presentSan Francisco Bay Area
- HealthPoint Ambulatory Surgery Company, LLCManaging Partnercurrent2014 — presentPleasanton, California, United States
- Clinical Orthopaedics and Related ResearchScientific Publication Reviewercurrent2021 — present
- ASCAPACChairmancurrent2018 — presentWashington, DC
- NanochonMember Board Of Directorscurrent2021 — present
- American Board of Orthopaedic SurgeryDiplomat of the ABOScurrent2000 — present
- Tri-Valley Orthopedic SpecialistsHand Surgeon, Vice President1999 — 2023San Francisco Bay Area
- Ambulatory Surgery Center AssociationBoard Of Directors2013 — 2021
- YahooSportsmedicine Expert2014 — 2021Sunnyvale
- CASA: California Ambulatory Surgery AssociationBoard Of Directors2010 — 2015
Skills & more
Ambulatory Surgery
- VC Unlocked — Stanford Engineering Center for Global & Online Education
From Greg's professional profile.
Colleagues at Sand Hill Angels
Abha Singhvi
Investor at Sand Hill Angels
Adam Au
Investor at Sand Hill Angels
Adam Wu
Investor at Sand Hill Angels
Akash Pai
Investor at Sand Hill Angels
Alan Fisher
Investor at Sand Hill Angels
Alan Ren
Investor at Sand Hill Angels
Alexandr Ikriannikov
Investor at Sand Hill Angels
Amanda Huang
Investor at Sand Hill Angels
Frequently asked questions
- Who is Greg Horner?
- Investor at Sand Hill Angels
- Where does Greg Horner work?
- Greg Horner is at Sand Hill Angels.
- Where did Greg Horner go to school?
- Greg Horner studied at The Johns Hopkins University School of Medicine (MD, Medicine); UCLA (Orthopedic surgery residency, Orthopaedic Surgery Residency); Northwestern University (BS Engineering, Biomedical Engineering).
Founder mafias
Techstars mafia238
Also came through, then founded or led a company.
David CummingsTechstars Boulder Accelerator 2012Founded Undaunted +4Jeremy AchinCloud Class 2013Founded Neo Cybernetica +2Spencer RascoffMentorFounded HeyLibby +2Sanjiv SanghaviTechstars New York City Accelerator 2012Founded Texture +2Brandon PatonMentorFounded Glider +2Weiting LiuMentorFounded Everyday.me +2
+ 231 more
UCLA mafia127
Also came through, then founded or led a company.
Ben HorowitzFounded OpswareVlad TenevMaster’s DegreeFounded Harmonic +1Ryan KingBSFounded ChimeKent WakefordFounded Breaking +4William GuttmanBachelor of Arts (BA)Founded CurvePoint +3Paolo PriviteraCertificate Program ClassFounded 1521 Capital +1
+ 120 more
Northwestern University mafia79
Also came through, then founded or led a company.
Lyle BerkowitzFounded Apollo Health +1Sheridan ClayborneB.S (Dropped Out)Founded Lendtable +1Andy RinkGeneral Surgery Residency ProgramFounded Playgroundpediatrics +1Jeffrey LiuBachelor of Science - BSFounded Guavapass +1Colton DillionMSFounded Quip Network +1Danielle YoesepMaster of Science - MSFounded Hona +1
+ 72 more
Sand Hill Angels mafia10
Also came through, then founded or led a company.
Ruban KanapathippillaiAngel InvestorFounded Iterate AI +1Akash PaiFounded ZeroBrushAnuj ShahAngel InvestorFounded Rethink YearbooksBen LeeFounded MovellaDavid SacarelosInvestor, Start up advisorFounded Orbital CompositesGeorge CarpenterFounded MYnd Analytics
+ 3 more
Tufts University School of Medicine mafia5
Also came through, then founded or led a company.
Same school
Also attended The Johns Hopkins University School of Medicine43
Hal PazInvestor at Khosla VenturesRochelle WalenskyExecutive Partner at Flare Capital PartnersBeth SeidenbergFounding Managing Director at Westlake Village BioPartnersStephen P. ZacharyManaging Partner at Sands Capital VenturesNamita KumariAssociate, Technical Research at Sands Capital VenturesS.K. LeeExecutive Coach at Roble Ventures
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+ 37 more
Also attended UCLA680
Ben HorowitzCo-founder & General Partner at Andreessen HorowitzRon ConwayFounder of SV AngelKirsten GreenFounder and Managing Partner at Forerunner VenturesVlad TenevCo-founder & CEO of RobinhoodRyan KingCo-founder of ChimePaul FieldingFinance & Operations at General Catalyst
+ 674 more
Also attended Northwestern University476
Mikowai AshwillInvestor at Spark CapitalNaomi Pilosof IonitaBoard Partner at Menlo VenturesEric OngInvestor at LightbankBill PescatelloInvestor at LightbankScott JacobsonManaging Director at Madrona Venture GroupAnna WangAssociate at March Capital Partners
+ 470 more
Also attended Tufts University School of Medicine15
René KuijtenInvestor at LSP (Life Sciences Partners)David GreenwaldManaging Director at Deerfield Management CompanyMaria GuglielmoManager, Recruiting and Employee Experience at Deerfield Management CompanyJai ParekhDigital Health Advisor at Excelerate Health VenturesKetan PatelManaging Partner at F-Prime Capital PartnersAaron NelsonPartner at Novo Holdings
+ 9 more
Shared employers
Also worked at Yahoo361
Jess LeePartner and Chief Product Officer at Sequoia CapitalMike SpeiserManaging Director at Sutter Hill VenturesBrian ActonCo-founder of WhatsApp; co-founder of Signal FoundationStewart ButterfieldCo-founder of Slack and FlickrMax LevchinCo-founder of PayPal; founder, chairman & CEO of Affirm; partner at SciFi VCAmjad MasadCo-founder & CEO of Replit
+ 355 more