Tren Griffin
Writes the 25iq blog; works at Microsoft; author of a book on Charlie Munger.
At a glance
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- Tren Griffin writes 25iq, a blog about business, investing and technology.
- He works for Microsoft, and was earlier a partner at Eagle River, a private equity firm set up by Craig McCaw.
- He wrote Charlie Munger: The Complete Investor (Columbia Business School Publishing, 2015).
Key facts
- Role
- Works for Microsoft (as of October 2026)1
- Earlier
- Partner at Eagle River, a private equity firm established by Craig McCaw1
- Blog
- 25iq, on business, investing and technology1
- Book
- Charlie Munger: The Complete Investor (Columbia Business School Publishing, September 2015)2
- Based in
- Seattle1
Roles
Part of
- MicrosoftOrganization
works for Microsoft (as of October 2026) source on Microsoft
Links
Sources
Last checked against its sources today
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