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 IntelligenceFintechHealthcare & BiotechDigital Health & HealthTechBiotech & PharmaSaaS & EnterpriseCrypto & Web3Consumer & Retail
- 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 Accelerator.
Connect with Tim Guleri
Frequently Asked Questions
What does Tim Guleri invest in?
Tim Guleri invests in Artificial Intelligence, Fintech, Healthcare & Biotech and Digital Health & HealthTech, 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 I contact Tim Guleri?
Unlock Tim Guleri's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.