Isabelle Thierfelder

Active Investor

Senior Investment Manager at seed + speed Ventures

Berlin, Germany

Isabelle Thierfelder, Senior Investment Manager at seed + speed Ventures is an active investor based in Berlin, Germany. This profile covers what Isabelle Thierfelder backs, at which stage, and how founders can reach out in 2026.

Isabelle Thierfelder is a Senior Investment Manager at seed + speed Ventures, focusing on startup investments.

Isabelle Thierfelder invests in SaaS & Enterprise, Artificial Intelligence and EdTech, typically at Seed and Series A.

Investor type
VC
Stages
SeedSeries A
Invests in
SaaS & EnterpriseArtificial IntelligenceEdTech
Location
Berlin, Germany
Typical check
$625K

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Round Funded. "Isabelle Thierfelder." Round Funded investor database, updated November 3, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/isabelle-thierfelder

Frequently Asked Questions

Who is Isabelle Thierfelder?

Isabelle Thierfelder, Senior Investment Manager at seed + speed Ventures is an active investor based in Berlin, Germany. Isabelle Thierfelder invests in SaaS & Enterprise, Artificial Intelligence and EdTech, typically at Seed and Series A.

What does Isabelle Thierfelder invest in?

Isabelle Thierfelder invests in SaaS & Enterprise, Artificial Intelligence and EdTech, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.

What stage does Isabelle Thierfelder invest at?

Isabelle Thierfelder typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.

What is Isabelle Thierfelder's typical check size?

Isabelle Thierfelder typically writes checks around $625K. 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.