Frank Stummer
Angel Investor and Advisory Board Member at Leapter
Leipzig, Saxony
Frank Stummer, Angel Investor and Advisory Board Member at Leapter is an active investor based in Leipzig, Saxony. This profile covers what Frank Stummer backs, at which stage, and how founders can reach out in 2026.
Frank Stummer is an Angel Investor and Advisory Board Member at Leapter, and a Venture Partner at Smart Infrastructure Ventures.
Frank Stummer invests in Climate & Energy and SaaS & Enterprise, typically at Pre Seed, Seed and Early Stage Venture.
- Investor type
- AngelVC
- Stages
- Pre SeedSeedEarly Stage Venture
- Invests in
- Climate & EnergySaaS & Enterprise
- Location
- Leipzig, Saxony
- Typical check
- $250K
How to reach Frank Stummer
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Round Funded. "Frank Stummer." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/frank-stummer
Frequently Asked Questions
Who is Frank Stummer?
Frank Stummer, Angel Investor and Advisory Board Member at Leapter is an active investor based in Leipzig, Saxony. Frank Stummer invests in Climate & Energy and SaaS & Enterprise, typically at Pre Seed, Seed and Early Stage Venture.
What does Frank Stummer invest in?
Frank Stummer invests in Climate & Energy and SaaS & Enterprise, typically at Pre Seed, Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Frank Stummer invest at?
Frank Stummer typically invests at Pre Seed, Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Frank Stummer's typical check size?
Frank Stummer typically writes checks around $250K. 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.