Fundraising Fox
Tim Guleri
InvestorManaging Partner at Sierra Ventures
San Francisco Bay Area
Writes $500K – $15M checks · typically $7.8M
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About
Sierra Ventures investor who has spoken on positioning and storytelling for startups.
Contact· self-published, not guessed
Invests in
AI & Machine LearningDeep TechDefense TechDeveloper ToolsEnergyEnterprise SoftwareHardwareNew MaterialsRoboticsSaaSSpace Tech
Deals · 4
Approximate Labs Inc.Board seat
via Sierra Ventures · filed Mar 2023 · $5.3M raise
Commerce FabricBoard seat
via Sierra Ventures · filed Aug 2022 · $140M raise
AppceleratorBoard seat
via Sierra Ventures · filed Aug 2015 · $10M raise
Treasure DataBoard seat
via Sierra Ventures · filed Jan 2015 · $15M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Investor
Agent IQAlpine Data LabsAppcuesApplitoolsApprovaApproximate LabsArgonaut Asset Management LLCAstronomerBaltoBANDBina TechnologiesCalyptiaCarwaleCimulateCode Green NetworksDNN Corp (DotNetNuke)EnableEudiaEverest SoftwarefabricGitarGreenplum SoftwareHashnodeHeadSpinHiredLeadGeniusMakeMyTripMakeMyTrip.comNebuAdNet6Nexenta SystemsPhenomPiczoPolymerProductNowRadius AgentRed ArilRUNASedaiSelfycartShape SecuritySienaSourcefireSpeedscaleSpokeSteelbox, Inc.SupportLogicTextIQTownsquaredVentasoWeav.aiZeni
Sources: SEC Form D filings · curated public sources · the firm's website.
Colleagues at Sierra Ventures
Network4
Investors connected to Tim in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Tim Guleri?
- Sierra Ventures investor who has spoken on positioning and storytelling for startups.
- Where does Tim Guleri work?
- Tim Guleri is Managing Partner at Sierra Ventures.
- What does Tim Guleri invest in?
- Tim Guleri invests in AI & Machine Learning, Deep Tech, Defense Tech, Developer Tools, Energy, Enterprise Software, Hardware, New Materials, Robotics, SaaS, Space Tech.
- What check size does Tim Guleri write?
- Tim Guleri typically writes checks of $500K – $15M.
- What boards does Tim Guleri sit on?
- Tim Guleri holds tracked board seats at Appcelerator, Approximate Labs Inc., Balto, Commerce Fabric, Phenom People, Polymer Search, Speedscale, Treasure Data.
- What companies has Tim Guleri invested in?
- Investments tracked here include Agent IQ, Alpine Data Labs, Appcelerator, Appcues, Applitools, Approva, Approximate Labs, Argonaut Asset Management LLC, Astronomer, Balto, BAND, Bina Technologies, and 42 more.
About this profile. Compiled from public sources — Sierra 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