Dennis Weiß, Partner at Onsight Ventures is an active investor based in Innsbruck, Tyrol. This profile covers what Dennis Weiß backs, at which stage, and how founders can reach out in 2026.
Dennis Weiß is a Partner at Onsight Ventures with a background in sustainability and a passion for early-stage startups.
Dennis Weiß invests in Climate & Energy, SaaS & Enterprise and Artificial Intelligence, typically at Pre Seed, Seed and Early Stage Venture.
- Investor type
- VC
- Stages
- Pre SeedSeedEarly Stage Venture
- Invests in
- Climate & EnergySaaS & EnterpriseArtificial Intelligence
- Location
- Innsbruck, Tyrol
- Typical check
- $250K
How to reach Dennis Weiß
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Round Funded. "Dennis Weiß." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/dennis-weiss
Frequently Asked Questions
Who is Dennis Weiß?
Dennis Weiß, Partner at Onsight Ventures is an active investor based in Innsbruck, Tyrol. Dennis Weiß invests in Climate & Energy, SaaS & Enterprise and Artificial Intelligence, typically at Pre Seed, Seed and Early Stage Venture.
What does Dennis Weiß invest in?
Dennis Weiß invests in Climate & Energy, SaaS & Enterprise and Artificial Intelligence, typically at Pre Seed, Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Dennis Weiß invest at?
Dennis Weiß typically invests at Pre Seed, Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Dennis Weiß's typical check size?
Dennis Weiß 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.