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About
Thomas Gieselmann, an early European founder-turned Silicon Valley GP who built a data-driven platform, discovers startups by becoming a customer and favors teams creating full-stack operating systems for complex workflows.
Contact· self-published, not guessed
Invests in
AI & Machine LearningConsumerE-commerceFintechSaaS
Deals · 2
Hound Technology, Inc.Board seat
via Headline · filed Apr 2023 · $50M raise
When I WorkBoard seat
via Headline · filed Jul 2015 · $5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Greycroft
Network4
Investors connected to Thomas in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Thomas Gieselmann?
- Thomas Gieselmann, an early European founder-turned Silicon Valley GP who built a data-driven platform, discovers startups by becoming a customer and favors teams creating full-stack operating systems for complex workflows.
- Where does Thomas Gieselmann work?
- Thomas Gieselmann is General Partner at Greycroft and Founding Partner at Headline.
- What does Thomas Gieselmann invest in?
- Thomas Gieselmann invests in AI & Machine Learning, Consumer, E-commerce, Fintech, SaaS.
- What check size does Thomas Gieselmann write?
- Thomas Gieselmann typically writes checks of $1M – $50M.
- What boards does Thomas Gieselmann sit on?
- Thomas Gieselmann holds tracked board seats at Hound Technology, Inc., When I Work.
About this profile. Compiled from public sources — Greycroft'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