Sebastian F Eiseler

Active Investor

Managing Partner at YSE Capital Management

Switzerland

LinkedIn

Sebastian F Eiseler, Managing Partner at YSE Capital Management is an active investor based in Switzerland. This profile covers what Sebastian F Eiseler backs, at which stage, and how founders can reach out in 2026.

Sebastian F Eiseler invests in SaaS & Enterprise and Fintech, typically at Seed and Series A.

Location
Switzerland
Typical check
$625K

What does Sebastian F Eiseler invest in?

Investor type
VC

Where is Sebastian F Eiseler based?

Sebastian F Eiseler is based in Switzerland.

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How to reach Sebastian F Eiseler

Angels and operators like Sebastian F Eiseler 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

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. "Sebastian F Eiseler." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/sebastian-f-eiseler

Frequently Asked Questions

Who is Sebastian F Eiseler?

Sebastian F Eiseler, Managing Partner at YSE Capital Management is an active investor based in Switzerland. Sebastian F Eiseler invests in SaaS & Enterprise and Fintech, typically at Seed and Series A.

What does Sebastian F Eiseler invest in?

Sebastian F Eiseler invests in SaaS & Enterprise and Fintech, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.

What stage does Sebastian F Eiseler invest at?

Sebastian F Eiseler typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.

What is Sebastian F Eiseler's typical check size?

Sebastian F Eiseler typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.

Where is Sebastian F Eiseler based?

Sebastian F Eiseler is based in Switzerland.

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.

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