Tim Guleri
Managing Director at Sierra Ventures
San Francisco, California
Tim Guleri, Managing Director at Sierra Ventures is an active investor based in San Francisco, California. This profile covers what Tim Guleri backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEOperatorFounderInvestor
- Stages
- Early Stage VentureSeries A
- Invests in
- Artificial IntelligenceSaaS & Enterprise
- Location
- San Francisco, California
- Typical check
- $750K
- Past investments
- 36
Notable investments
SupportLogic
Sourcefire
LeadGenius
MakeMyTrip.com
Fabric
Ventaso
Selfycart
Approva
Makara
Hired
Greenplum Software
Phenom PeopleHow to reach Tim Guleri
Angels and operators like Tim Guleri reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "Tim Guleri." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/tim-guleri
Frequently Asked Questions
What does Tim Guleri invest in?
Tim Guleri invests in Artificial Intelligence and SaaS & Enterprise, typically at Early Stage Venture and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Tim Guleri invest at?
Tim Guleri typically invests at Early Stage Venture and Series A. Lead with traction that fits the stage when you reach out.
What is Tim Guleri's typical check size?
Tim Guleri typically writes checks around $750K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.