Justin Klein
InvestorCo-founder and Managing Partner at Vensana Capital · Board director at Ventaris Surgical · Board director at Luna Health · Board director at Vesper Medical
Washington, District of Columbia
Writes $100K – $10M checks · typically $1M
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About
Co-founder and Managing Partner at Vensana Capital, previously a partner and leader of the medical technology investing practice at NEA. He earned an MD from Duke and a JD from Harvard Law School, and serves on multiple industry and company boards.
Contact· self-published, not guessed
Invests in
AI & Machine LearningBiotechData & InfrastructureHealthtechMedical Devices
Board director at Ventaris Surgical
Intro paths
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Board director at Luna Health
Intro paths
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Luna Health's investors · 2
Co-founders at Luna Health

Board director at Vesper Medical
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In turn, Justin can intro founders to Vesper Medical's investors below.
Vesper Medical's investors · 5
Experience
- Vensana CapitalCo-Founder & Managing Partnercurrent2018 — presentTysons Corner, Virginia, United States
- CareFirst BlueCross BlueShieldBoard Membercurrent2024 — presentWashington DC-Baltimore Area
- Duke University School of MedicineMember, Board of Visitorscurrent2021 — presentDurham, North Carolina, United States
- AdvaMedBoard Member, AdvaMed Accelcurrent2020 — presentWashington, District of Columbia, United States
- Medical Device Manufacturers Association (MDMA)Board Membercurrent2019 — presentWashington, District of Columbia, United States
- Johns Hopkins Center for Bioengineering Innovation & DesignAdvisory Board Membercurrent2018 — presentBaltimore, Maryland, United States
- Virginia Commonwealth University - College of EngineeringTrustee2019 — 2023Richmond, Virginia, United States
- New Enterprise AssociatesPartner2006 — 2018Washington DC-Baltimore Area
Skills & more
+6 more
Mergers & AcquisitionsEntrepreneurshipDue DiligenceSmall Engine RepairBusiness StrategyPharmaceutical IndustryFrom Justin's professional profile.
Deals · 4
Ventaris SurgicalBoard seat
via Vensana Capital · filed Mar 2026 · $30.7M raise
Luna HealthBoard seat
via Vensana Capital · filed Aug 2025 · $23.6M raise
ChromaCodeBoard seat
via Vensana Capital · filed Feb 2025 · $5M raise
Relievant MedsystemsBoard seat
via Vensana Capital · filed Apr 2022 · $69.7M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Investor
Apella TechnologyCartivaCleerlyCV IngenuityEPIX TherapeuticsEvident VascularGPB Scientific, Inc.Intact VascularLuna DiabetesMetaventionPersonal Genome DiagnosticsPhaseBio PharmaceuticalsUltheraVolta MedicalVytronUS
Sources: SEC Form D filings · curated public sources.
Colleagues at Vensana Capital
Network3
Investors connected to Justin in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Justin Klein?
- Co-founder and Managing Partner at Vensana Capital, previously a partner and leader of the medical technology investing practice at NEA. He earned an MD from Duke and a JD from Harvard Law School, and serves on multiple industry and company boards.
- Where does Justin Klein work?
- Justin Klein is Co-founder and Managing Partner at Vensana Capital and Board director at Ventaris Surgical and Board director at Luna Health and Board director at Vesper Medical.
- What does Justin Klein invest in?
- Justin Klein invests in AI & Machine Learning, Biotech, Data & Infrastructure, Healthtech, Medical Devices.
- What check size does Justin Klein write?
- Justin Klein typically writes checks of $100K – $10M.
- What boards does Justin Klein sit on?
- Justin Klein holds tracked board seats at ChromaCode, Luna Health, Personal Genome Diagnostics, Relievant Medsystems, Ventaris Surgical.
- What companies has Justin Klein invested in?
- Investments tracked here include Apella Technology, Cartiva, ChromaCode, Cleerly, CV Ingenuity, EPIX Therapeutics, Evident Vascular, GPB Scientific, Inc., Intact Vascular, Luna Diabetes, Metavention, Personal Genome Diagnostics, and 6 more.
- Where did Justin Klein go to school?
- Justin Klein studied at Duke University School of Medicine (MD, Medicine); Harvard Law School (JD, Law); Duke University (AB, Economics).
Same school
Also attended Duke University School of Medicine35
+ 29 more
Also attended Harvard Law School364
+ 358 more
Also attended Duke University1,035
+ 1,029 more
Shared employers
Also worked at Duke University School of Medicine11
+ 5 more
Also worked at AdvaMed10
+ 4 more

























































