An angel investor and operator angel based in San Francisco, California, United States, David Ko has 7 known investments: Boxed, GetSetUp, Exer Labs, Noble Mobile, Single Origin, Voltaku and WegoPro.
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Investment focus
- Stage
- Seed
Contacts
David Ko portfolio companies (7)
- Boxed
- GetSetUp
- Exer Labs
- Noble Mobile
- Single Origin
- Voltaku
- WegoPro
Affiliated funds' portfolios
Strategic Advisor to the Board at Calm, whose known portfolio counts 3 companies
- ZeroMark
- Complete
- XpresSpa Group
Investor Profile
The listing covers sectors AI, Consumer, Education and Healthcare, and focus areas Consumer Health, Digital Health, EHR and EdTech. Startups operating in these areas may find David Ko relevant.
David Ko appears in Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at Calm
Alexander Will
President
San Francisco, United States
Lisa Wu
Investor
San Francisco, United States
Danny de Wit
Angel Investor
Netherlands
Matt Cheng
Angel Investor
Tokyo, Japan
Michael Acton Smith
Co-Founder and Co-Executive Chairman
United Kingdom
Samantha Awuor
Partner
United States
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Frequently asked questions
Who is David Ko?
David Ko is an angel investor and operator angel based in San Francisco, California, United States with 7 known investments on file, among them Boxed, GetSetUp and Exer Labs. The sections above list the sectors, stages and firms attached to that record.
What does David Ko invest in?
Listed sectors include AI, Consumer, Education and Healthcare; listed focus areas include Consumer Health, Digital Health, EHR and EdTech. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does David Ko invest at?
The known deals of David Ko include Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is David Ko listed at?
David Ko is listed as Strategic Advisor to the Board at Calm. 6 other people in the database share a firm with David Ko.
How do I contact David Ko?
A LinkedIn page is on file for David Ko. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal