Darby Sieben
Angel investor in Calgary
Calgary, Alberta
Darby Sieben, Angel investor in Calgary is an active investor based in Calgary, Alberta. This profile covers what Darby Sieben backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- SaaS & EnterpriseArtificial IntelligenceMarketplaceMedia & ContentInsurTechFood & BeverageAgTech & AgricultureGaming & Entertainment
- Location
- Calgary, Alberta
- Typical check
- $150K
- Past investments
- 13
Notable investments
MyTimeDarby Sieben Limited PartnershipsSky Motion ResearchCommerx CorporationPlatform Calgary
UnbounceJUICE MobileYellow Pages Group CanadaWalnut InsuranceCoupgonUnited Farmers of Alberta Co-operative LimitedHow to reach Darby Sieben
Angels and operators like Darby Sieben 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 Accelerator.
Connect with Darby Sieben
Frequently Asked Questions
What does Darby Sieben invest in?
Darby Sieben invests in SaaS & Enterprise, Artificial Intelligence, Marketplace and Media & Content, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Darby Sieben invest at?
Darby Sieben typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Darby Sieben's typical check size?
Darby Sieben typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Darby Sieben?
Unlock Darby Sieben's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.