Henry Dethmers

Active Investor

Managing Partner at Tallinn Capital Partners

Calgary, Alberta

Henry Dethmers, Managing Partner at Tallinn Capital Partners is an active investor based in Calgary, Alberta. This profile covers what Henry Dethmers backs, at which stage, and how founders can reach out in 2026.

Henry Dethmers invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture.

Location
Calgary, Alberta
Typical check
$500K

What does Henry Dethmers invest in?

Investor type
VC
Stages
Early Stage Venture

Where is Henry Dethmers based?

Henry Dethmers is based in Calgary, Alberta.

Browse more startup investors near Henry Dethmers:
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How to reach Henry Dethmers

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About this profile

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Round Funded. "Henry Dethmers." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/henry-dethmers

Frequently Asked Questions

Who is Henry Dethmers?

Henry Dethmers, Managing Partner at Tallinn Capital Partners is an active investor based in Calgary, Alberta. Henry Dethmers invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture.

What does Henry Dethmers invest in?

Henry Dethmers invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Henry Dethmers invest at?

Henry Dethmers typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Henry Dethmers's typical check size?

Henry Dethmers typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

Where is Henry Dethmers based?

Henry Dethmers is based in Calgary, Alberta.

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.

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