Justin Ko

Justin Ko

Active Investor

Angel investor in Stanford

Stanford, California

Justin Ko, Angel investor in Stanford is an active investor based in Stanford, California. This profile covers what Justin Ko backs, at which stage, and how founders can reach out in 2026.

Dr. Justin Ko serves as Clinical Professor & Chief of Medical Dermatology at Stanford University School of Medicine. Dr. Ko is an Angel Investor. Dr. Ko joined Stanford Medicine in 2012 and serves as Director and Chief of Medical Dermatology for Stanford Health Care (SHC) while also spearheading the dermatology department's efforts around network development, digital health, quality/safety/performance improvement, and value-based care. He is active in several leadership roles within the organization including as an Associate Chief Quality Officer and physician dyadic partner to the Chief Experience Offer, as well as co-chair of the Clinic Advisory Council, a forum of medical and executive leaders of Stanford Health Care's Ambulatory clinics. He graduated magna cum laude from Harvard University and worked in investment banking; mergers and acquisitions at JP Morgan before going on to earn a combined medical and business degree at Tufts University. During medical school, he was a member of the Alpha Omega Alpha honor society. Dr. Ko then performed his residency at the Harvard Dermatology Residency Training Program where he served as chief resident.

Investor type
Angel
Stages
Early Stage Venture
Invests in
EdTech
Location
Stanford, California
Typical check
$500K
Past investments
5

Notable investments

Anchor HealthHims & HersEnspectra Health, Inc.SkinBitSkin Analytics

How to reach Justin Ko

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Frequently Asked Questions

What does Justin Ko invest in?

Justin Ko invests in EdTech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Justin Ko invest at?

Justin Ko typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Justin Ko's typical check size?

Justin Ko typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

How do I contact Justin Ko?

Unlock Justin Ko's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Justin Ko