Vivien Sayve, Managing Partner at Iron Hands Capital is an active investor based in France. This profile covers what Vivien Sayve backs, at which stage, and how founders can reach out in 2026.
Vivien Sayve is a Managing Partner at Iron Hands Capital, focusing on deeptech investments.
Vivien Sayve invests in Hardware & Deep Tech, typically at Early Stage Venture.
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- Hardware & Deep Tech
- Location
- France
- Typical check
- $500K
How to reach Vivien Sayve
Angels and operators like Vivien Sayve 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.
Reach active investors like this one
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Vivien Sayve." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/vivien-sayve
Frequently Asked Questions
Who is Vivien Sayve?
Vivien Sayve, Managing Partner at Iron Hands Capital is an active investor based in France. Vivien Sayve invests in Hardware & Deep Tech, typically at Early Stage Venture.
What does Vivien Sayve invest in?
Vivien Sayve invests in Hardware & Deep Tech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Vivien Sayve invest at?
Vivien Sayve typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Vivien Sayve's typical check size?
Vivien Sayve typically writes checks around $500K. 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.