Where does Justin Klein work?

Justin Klein is Managing Partner at Vensana Capital and Board director at Ventaris Surgical and Board director at Luna Health and Board director at Vesper Medical.

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.

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).

Justin Klein

Investor

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

Find your path to Justin

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

Paul LaVioletteunlockedJustin: together at Medical Device Manufacturers Association (MDMA) (2019–2026)

Justin: together at AdvaMed

Justin: together at Vensana Capital

×2Justin: together at Duke University School of Medicine

About

Justin Klein, MD (Duke) and JD (Harvard), is a physician‑attorney who evaluates med‑tech through clinical, regulatory, reimbursement and legal perspectives, informed by his CareFirst board seat and AdvaMed chair role.

Contact· self-published, not guessed

j•••@vensanacap.comreveal

Invests in

AI & Machine LearningBiotechData & InfrastructureHealthtechMedical Devices

Board director at Ventaris Surgical

Intro paths

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In turn, Justin can intro founders to Ventaris Surgical's investors below.

Ventaris Surgical's investors · 4

Boutique Venture PartnersPalo Alto · since 2026 Longitude CapitalMenlo Park · $10M – $30M checks · since 2026 Neotribe VenturesMenlo Park · $250K – $2M checks · since 2026 Vensana CapitalMinneapolis · since 2026

Board director at Luna Health

Intro paths

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In turn, Justin can intro founders to Luna Health's investors below.

Luna Health's investors · 2

Serpentine VenturesZurich · since 2025 Vensana CapitalMinneapolis · since 2025

Co-founders at Luna Health

John SjolundChief Executive Officer of the Issuer

Board director at Vesper Medical

Intro paths

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In turn, Justin can intro founders to Vesper Medical's investors below.

Vesper Medical's investors · 5

415 CapitalMunich · $5.4M – $16.2M checks · since 2019 Gilde HealthcareUtrecht · $1.1M – $55M checks · since 2019 Lightstone VenturesPortola Valley · since 2019 New Enterprise Associates (NEA)Menlo Park · $200K – $40M checks · since 2019 Vensana CapitalMinneapolis · since 2019

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

Strategy21Management10Leadership7Strategic Planning10Medical Devices58Healthcare18Venture Capital75Healthcare Information Technology6Private Equity10Investments19Start-ups41Medicine

+6 more

Mergers & AcquisitionsEntrepreneurshipDue DiligenceSmall Engine RepairBusiness StrategyPharmaceutical Industry

From 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

Personal Genome Diagnostics

Investor

Apella TechnologyCartiva CleerlyCV IngenuityEPIX TherapeuticsEvident VascularGPB ScientificIntact VascularLuna Diabetes Metavention Personal Genome Diagnostics PhaseBio Pharmaceuticals UltheraVolta MedicalVytronUS

Sources: SEC Form D filings · curated public sources.

Colleagues at Vensana Capital

Allison King

Investment Professional at Vensana Capital

Amrinder Singh

Partner at Vensana Capital

Bill Hoffman

Venture Partner at Vensana Capital

Greg Banker

Partner at Vensana Capital

Kevin Hykes

Venture Partner at Vensana Capital

Kirk Nielsen

Co-Founder and Managing Partner at Vensana Capital

Maria Berkman

Partner at Vensana Capital

Mike Kramer

Partner at Vensana Capital

Network2

Amrinder Singh

Partner at Vensana Capital

Ella Seitz

Managing Partner at Esplanade Ventures

Investors connected to Justin in public investor directories — a warm-intro map.

Frequently asked questions

Who is Justin Klein?: Justin Klein, MD (Duke) and JD (Harvard), is a physician‑attorney who evaluates med‑tech through clinical, regulatory, reimbursement and legal perspectives, informed by his CareFirst board seat and AdvaMed chair role.
Where does Justin Klein work?: Justin Klein is 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, 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).