Jun Jeon
InvestorPrincipal at Khosla Ventures
San Francisco Bay Area
Writes $100K β $50M checks Β· typically $25M
About
Jun Jeon is a Partner at Khosla Ventures focused on founders at the intersection of healthcare, biology, and frontier technology across all stages. He previously spent over a decade in bench and clinical research, cofounded Bio Launch (now Nucleate Philly), worked at AlleyCorp on digital health and life sciences incubations, and held roles at Oshi Health and Octant Bio. He holds a chemical and biomolecular engineering degree from Johns Hopkins and an M.D. from the University of Pennsylvania.
Jun Jeon, MD @junwjeon
the peak summer of code feeling https://t.co/15Dfv72QMt
Jul 28, 2026
Jun Jeon, MD @junwjeon
codex app is far superior to Claude app now that remote, goal, and automation listing works really well (though goal resume UX is a bit funky still) across all nodes. I think itβs increasingly increasing switching cost for me https://t.co/bso2zyYC2P

Jul 15, 2026
Jun Jeon, MD @junwjeon
christmas every day https://t.co/NGgwwG94qJ
Jul 14, 2026
Invests in
AI & Machine LearningBiotechDigital HealthHealthtechMedical Devices
Experience
- Khosla VenturesPartnercurrent2025 β presentMenlo Park, California, United States
- Khosla VenturesPrincipal2023 β 2025Menlo Park, California, United States
- Khosla VenturesAssociate2021 β 2023Menlo Park, California, United States
- AlleyCorpVenture Fellow2021New York, United States
- Penn Bio LaunchCo-Founder / Co-Managing Director2020 β 2021
- OctantNew Product Opportunities2021
- NucleateCo-Managing Director and Co-founder of Philadelphia Chapter2021Philadelphia, Pennsylvania, United States
- InSITEFellow / AVP of Startup Sourcing2020 β 2021
- Oshi HealthBusiness Development2020
- The National Institutes of HealthMRSP research fellowship2019 β 2020Bethesda, Maryland, United States
- KSEACo-Founder, US-Korea International Startup Showcase2019 β 2020
- Penn Medicine, University of Pennsylvania Health SystemClinical research2016 β 2020Philadelphia, Pennsylvania, United States
- SpectrumScoresCo-Founder2018 β 2019
- Penn HealthXVP of Venture2016 β 2017Philadelphia, Pennsylvania, United States
- National Eye Institute - National Institutes of HealthOrgan-on-a-Chip Microfluidics Research (IRTA Fellow)2015 β 2016Bethesda, Maryland
- Institute for NanoBiotechnology - Johns Hopkins UniversityMicrofluidics Design2014 β 2015Baltimore, Maryland
Education
- University of Pennsylvania School of MedicineDoctor of Medicine (M.D.)
- The Johns Hopkins UniversityBachelor of Science (BS), Chemical and Biomolecular Engineering
Skills & more
+12 more
HTMLCSSIllustratorPhotoshopMatlabMicrosoft OfficeMicrosoft ExcelMicrosoft WordPowerPointPublic SpeakingLeadershipManagementLanguages English Β· Korean
From Jun's professional profile.
Same school
Also attended University of Pennsylvania School of Medicine23
+ 17 more
Also attended The Johns Hopkins University196
+ 190 more
Shared employers
Also worked at Khosla Ventures77
+ 71 more
Also worked at Octant2
Also worked at Oshi Health3
Also worked at The National Institutes of Health46
+ 40 more




































