Charles Poire
Charles Poire is Director, Investments at Diagram Ventures, a Montreal-founded hybrid venture builder and early-stage investor focused on Fintech and Climatetech. He is listed on the Diagram team page and also appears on Sagard's team page under Canada.
What Charles can write
Diagram Ventures writes $500K to $1M checks, larger than 71% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Diagram Ventures.Focus
Also at Diagram Ventures
Partners like Charles
At firms with a similar stage, sector and check size.
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One email when Charles's firm raises a fund, adds a partner or shows new activity.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Charles Poire?
Charles Poire is Director, Investments at Diagram Ventures, a Montreal-founded hybrid venture builder and early-stage investor focused on Fintech and Climatetech. He is listed on the Diagram team page and also appears on Sagard's team page under Canada.
How much does Charles Poire invest?
Charles Poire invests through Diagram Ventures, which writes checks of $500K to $1M at pre-seed, seed, series a.
How do I pitch Charles Poire?
A warm intro from a founder Diagram Ventures backed works best. A short LinkedIn note with one line on traction is the next best route.
Last updated 2026-10-15. Is this you? Ask for a correction.