Josef Guenthner
Senior Partner & Board Member at CTG Consulting GmbH
Hamburg, Hamburg
Josef Guenthner, Senior Partner & Board Member at CTG Consulting GmbH is an active investor based in Hamburg, Hamburg. This profile covers what Josef Guenthner backs, at which stage, and how founders can reach out in 2026.
Josef Guenthner is a Senior Partner at CTG Consulting GmbH and Co-founder of PALTRON, focusing on bringing digital ideas to life and investing in early-stage rounds.
Josef Guenthner invests in SaaS & Enterprise, Artificial Intelligence and EdTech, typically at Pre Seed and Seed.
- Investor type
- AngelVC
- Stages
- Pre SeedSeed
- Invests in
- SaaS & EnterpriseArtificial IntelligenceEdTech
- Location
- Hamburg, Hamburg
- Typical check
- $150K
How to reach Josef Guenthner
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About this profile
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Round Funded. "Josef Guenthner." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/josef-guenthner
Frequently Asked Questions
Who is Josef Guenthner?
Josef Guenthner, Senior Partner & Board Member at CTG Consulting GmbH is an active investor based in Hamburg, Hamburg. Josef Guenthner invests in SaaS & Enterprise, Artificial Intelligence and EdTech, typically at Pre Seed and Seed.
What does Josef Guenthner invest in?
Josef Guenthner invests in SaaS & Enterprise, Artificial Intelligence and EdTech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Josef Guenthner invest at?
Josef Guenthner typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Josef Guenthner's typical check size?
Josef Guenthner typically writes checks around $150K. 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.