Investor profile
Michael Griswold
Family Office, Syndicate / Angel group & Angel Investor at Houston Angel Network, Chairman and Founding Member at Accredited Capitalists | #1 Global Accredited Investor Community
Michael Griswold is an Angel Investor at Houston Angel Network, whose known portfolio counts 8 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Angel Investor at Houston Angel Network, whose known portfolio counts 8 companies
- Spruce
- Materna Medical
- Amplified Sciences
- Prana Thoracic
- Koda Health
- Your Fare
- Galen Data
- CaseCTRL
Chairman and Founding Member at Accredited Capitalists | #1 Global Accredited Investor Community, whose known portfolio counts 1 company
- 2ULaundry
Investor Profile
Michael Griswold is listed against sectors Commerce, Consumer, FinTech and Hardware, and focus areas Biotech, Digital Health, Healthcare Operations and Logistics in the database.
Houston Angel Network appears in Pre-Seed, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Michael Griswold is worth approaching.
Colleagues
Chris Howard
Angel Investor
Houston, United States
Erin Huang
Venture Associate
Houston, United States
Eric Alfuth
President
Houston, United States
Jen Leeson
Angel Investor
Houston, United States
Sam Tillinghast
Member and Investor
Houston, United States
Soren Marklund
Angel Investor Energy/Chemicals
Houston, United States
Xavier Jordan
Angel Investor
Houston, United States
Lauren Wolf
Private and Angel Investor
Houston, United States
Andrew Clark
Member (x-CEO, x-Chairman)
Houston, United States
Frequently asked questions
Who is Michael Griswold?
Michael Griswold is a family office investor and syndicate member based in Houston, Texas, United States, listed as Angel Investor at Houston Angel Network. The known portfolio of that firm counts 8 companies. That portfolio belongs to the firm, not to Michael Griswold personally.
What does Michael Griswold invest in?
Listed sectors include Commerce, Consumer, FinTech and Hardware; listed focus areas include Biotech, Digital Health, Healthcare Operations and Logistics. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Michael Griswold invest at?
Houston Angel Network appears in Pre-Seed, Seed and Series A rounds across its known deals, and Michael Griswold is listed there as Angel Investor. 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 Michael Griswold listed at?
Michael Griswold is listed as Angel Investor at Houston Angel Network. 9 other people in the database share a firm with Michael Griswold.
How do I contact Michael Griswold?
A LinkedIn page is on file for Michael Griswold. 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