Adam Siemieniuk
Angel investor in Switzerland
Switzerland
Adam Siemieniuk, Angel investor in Switzerland is an active investor based in Switzerland. This profile covers what Adam Siemieniuk backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Artificial IntelligenceFintechSaaS & EnterpriseConsumer & RetailE-commerce & D2CClimate & EnergyDeveloper Tools & DataHardware & Deep Tech
- Location
- Switzerland
- Typical check
- $150K
How to reach Adam Siemieniuk
Angels and operators like Adam Siemieniuk 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
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Cite this page
Round Funded. "Adam Siemieniuk." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/adam-siemieniuk
Frequently Asked Questions
What does Adam Siemieniuk invest in?
Adam Siemieniuk invests in Artificial Intelligence, Fintech, SaaS & Enterprise and Consumer & Retail, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Adam Siemieniuk invest at?
Adam Siemieniuk typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Adam Siemieniuk's typical check size?
Adam Siemieniuk 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.