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Zachary Bratun-Glennon
InvestorGeneral Partner at Gradient Ventures
San Francisco, California
Writes $100K – $10M checks
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About
Zach Bratun-Glennon is an early-stage investor at Gradient who has led investments in more than 35 companies and held over 25 board seats. He focuses on AI/ML and data science, vertical software, B2B marketplaces, and fintech. Before Gradient, he ran acquisitions and strategic investments at Google Cloud, and earlier worked as an investment banker advising software companies after beginning his career as a quant and data engineer at a hedge fund. He writes analytical pieces on the AI model landscape, including a widely referenced argument that the gap between open and closed AI models is driven by proprietary expert training data.
Contact· published on Zachary's own website
Invests in
AI & Machine LearningB2B MarketplacesData & InfrastructureDeveloper ToolsFintechSaaS
Beyond investing
- Education
- Earned a Bachelor of Science in Computer Science and Applied Mathematics from the University of Virginia. Holds a JD from the UCLA School of Law. Holds an MBA from the UCLA Anderson School of Management.
- Hobbies
- Enjoys snowboarding and mountain biking in the mountains.
- Family
- Lives in San Francisco with his wife and two kids.
- More
- Began his career as a quant and data engineer at a hedge fund. Worked as an investment banker advising software companies before joining Google.
From Zachary's own website — common ground for a warm intro.
Deals · 2
Lambda, Inc./DEBoard seat
via Gradient Ventures · filed Feb 2024 · $320M raise
Wise SystemsBoard seat
via Gradient Ventures · filed Oct 2021 · $50M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Investor
BackOpsBluePalletBoon AICentMLClarify AICredible DataDropbaseFilereadFlyreelFragmentHeruHumataIterativelyLambda LabsMoovMystNangoOlaClickOnScaleOpenlyOutgo IncPlannuhRad AIReclaim.aiRecurateRedactableROESpadeSpringtailSyrup TechTandymTokuVenn (formerly Vault)Wageyearend.
Sources: SEC Form D filings · curated public sources.
Colleagues at Gradient Ventures
Network14
▶2 more connections
Investors connected to Zachary in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Zachary Bratun-Glennon?
- Zach Bratun-Glennon is an early-stage investor at Gradient who has led investments in more than 35 companies and held over 25 board seats. He focuses on AI/ML and data science, vertical software, B2B marketplaces, and fintech. Before Gradient, he ran acquisitions and strategic investments at Google Cloud, and earlier worked as an investment banker advising software companies after beginning his career as a quant and data engineer at a hedge fund. He writes analytical pieces on the AI model landscape, including a widely referenced argument that the gap between open and closed AI models is driven by proprietary expert training data.
- Where does Zachary Bratun-Glennon work?
- Zachary Bratun-Glennon is General Partner at Gradient Ventures.
- What does Zachary Bratun-Glennon invest in?
- Zachary Bratun-Glennon invests in AI & Machine Learning, B2B Marketplaces, Data & Infrastructure, Developer Tools, Fintech, SaaS.
- What check size does Zachary Bratun-Glennon write?
- Zachary Bratun-Glennon typically writes checks of $100K – $10M.
- What boards does Zachary Bratun-Glennon sit on?
- Zachary Bratun-Glennon holds tracked board seats at Lambda, Inc./DE, Plannuh, Wise Systems, Young Alfred.
- What companies has Zachary Bratun-Glennon invested in?
- Investments tracked here include BackOps, BluePallet, Boon AI, CentML, Clarify AI, Credible Data, Dropbase, Fileread, Flyreel, Fragment, Heru, Humata, and 24 more.
About this profile. Compiled from public sources — Gradient Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights