Thomas Gieselmann

Thomas Gieselmann

Active Investor

Angel investor in San Francisco

San Francisco, California

Thomas Gieselmann, Angel investor in San Francisco is an active investor based in San Francisco, California. This profile covers what Thomas Gieselmann backs, at which stage, and how founders can reach out in 2026.

Investor type
AngelVCPEFounderInvestor
Stages
Early Stage VentureSeries B
Invests in
FintechHealthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseConsumer & RetailE-commerce & D2CDeveloper Tools & DataIoT & Connected Devices
Location
San Francisco, California
Typical check
$1.8M
Past investments
10

Notable investments

MerchantryZippia, Inc.Tabnine (formerly Codota)CodeFightsHiGearPlayHavenVULCUNNGINXFotologPolygon.io

How to reach Thomas Gieselmann

Angels and operators like Thomas Gieselmann 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 Thomas Gieselmann

Application closes in --:--:--
Email Thomas Gieselmann

Frequently Asked Questions

What does Thomas Gieselmann invest in?

Thomas Gieselmann invests in Fintech, Healthcare & Biotech, Digital Health & HealthTech and SaaS & Enterprise, typically at Early Stage Venture and Series B. Match your sector and stage, then reach out with a personalized pitch.

What stage does Thomas Gieselmann invest at?

Thomas Gieselmann typically invests at Early Stage Venture and Series B. Lead with traction that fits the stage when you reach out.

What is Thomas Gieselmann's typical check size?

Thomas Gieselmann typically writes checks around $1.8M. Use it as a signal for whether your raise fits their stage.

How do I contact Thomas Gieselmann?

Unlock Thomas Gieselmann's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Thomas Gieselmann