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About
Managing Partner of SUM Ventures and Chairman of the Band of Angels Los Angeles. An entrepreneur, investor, and former USAF Captain and Afghan War veteran who previously led investments for family offices, angel groups, and corporate venture funds across aerospace/defense, gaming, consumer, life science, proptech, and fintech. Holds a B.Sc. from the US Air Force Academy and an M.Sc. from Pepperdine.
Invests in
AI & Machine LearningClimate TechFintechHealthtechPropTech
Experience
- SUM VenturesFounder & Managing Partnercurrent2016 — presentLos Angeles, California, United States
- Band of AngelsChairman, Los Angeles Groupcurrent2017 — presentMenlo Park, CA
- Wilder Systems RobotsSeed Investorcurrent2026 — present
- Purple RhombusSeed Investorcurrent2025 — present
- Vectorial AIPre-Seed Investorcurrent2026 — present
- Matthew Berry's Fantasy LifeSeed Investor & Advisorcurrent2024 — present
- BRIUS®Pre-seed - Series A investor & Board Membercurrent2019 — presentLos Angeles Metropolitan Area
- Hellbender Inc.Seed Investorcurrent2026 — present
- PlantSwitchSeed and Series A Investorcurrent2023 — present
- RootSeed Investorcurrent2026 — present
- Purlin Co.Pre-Seed and Seed Investor & Board Membercurrent2020 — present
- PayAmigoPre-Seed and Seed Investorcurrent2023 — present
- DressXPre-Seed - Series A Investor, Advisor & Board Observercurrent2020 — presentLos Angeles Metropolitan Area
- AutomotusPre-Seed and Seed Investor & Advisorcurrent2020 — present
- AssistMeSeed Investorcurrent2026 — present
- ClearClubPre-Seed and Seed Investor & Board Membercurrent2021 — present
- IrriGreenPre-Seed- Series A Investor & Advisorcurrent2019 — present
- UNestPre-Seed Investor & Board Chairmancurrent2019 — presentLos Angeles Metropolitan Area
- Ovation VenturesPre-seed -Seed Investor & Advisorcurrent2021 — present
- geCKo MaterialsSeed Investorcurrent2025 — present
Skills & more
+10 more
Business StrategyLean StartupAgile MethodologiesFinancial ProjectionAir ForceGrowth HackingGovernment ContractingNew Business DevelopmentManagementLeadership- Venture Capital — CFA Institute
- Defense Acquisition University Level I Contracting — Defense Acquisition University
- Certified ScrumMaster — Scrum Alliance
- Certified Scrum Product Owner — Scrum Alliance
- Defense Acquisition University Level II Contracting — Defense Acquisition University
From Garrett's professional profile.
Colleagues at Sum Ventures
Frequently asked questions
- Who is Garrett Gilbertson?
- Managing Partner of SUM Ventures and Chairman of the Band of Angels Los Angeles. An entrepreneur, investor, and former USAF Captain and Afghan War veteran who previously led investments for family offices, angel groups, and corporate venture funds across aerospace/defense, gaming, consumer, life science, proptech, and fintech. Holds a B.Sc. from the US Air Force Academy and an M.Sc. from Pepperdine.
- Where does Garrett Gilbertson work?
- Garrett Gilbertson is Managing Partner at Sum Ventures.
- What does Garrett Gilbertson invest in?
- Garrett Gilbertson invests in AI & Machine Learning, Climate Tech, Fintech, Healthtech, PropTech.
- Where did Garrett Gilbertson go to school?
- Garrett Gilbertson studied at Harvard Business School Executive Education (Venture Capital & Private Equity); United States Air Force Academy (Bachelor of Science (BS), Business Management); Pepperdine University (MS Entrepreneurship, Business).
Same school
Also attended Harvard Business School Executive Education274
+ 268 more
Also attended United States Air Force Academy96
+ 90 more
Also attended Pepperdine University91
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