Partner
Garrett Gilbertson
Managing Partner, Sum Ventures
- Firm
- Sum Ventures
- Title
- Managing Partner
- Role
- Managing partner
- Known as
- Investor
Record updated 18 September 2026
About
Garrett is a Managing Partner of SUM Ventures and Chairman of the Band of Angels Los Angeles. He is an entrepreneur, investor, decorated Afghan War veteran, and former USAF Captain with cross-functional leadership experience leading teams from Kabul to Caltech. Before SUM Ventures he led investments for family offices, angel groups, and corporate venture funds. His investments and experience include aerospace and defense, gaming, consumer products, life science, proptech, and fintech. Garrett earned his B.Sc. in Management from the United States Air Force Academy and M.Sc. from Pepperdine University and is a graduate of Harvard's Executive Program in Venture Capital and Private Equity.
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