Théo Risopoulos, Co-founder & General Partner at Seido Capital is an active investor based in Montreal, Quebec. This profile covers what Théo Risopoulos backs, at which stage, and how founders can reach out in 2026.
Théo Risopoulos is Co-founder & General Partner at Seido Capital and General Partner at Theodorus Investment Funds, focusing on early and growth stage healthcare investments.
Théo Risopoulos invests in Healthcare & Biotech, typically at Early Stage Venture and Late Stage Venture.
- Location
- Montreal, Quebec
- Typical check
- $3.8M
What does Théo Risopoulos invest in?
- Investor type
- VC
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Healthcare & Biotech
Where is Théo Risopoulos based?
Théo Risopoulos is based in Montreal, Quebec.
- Browse more startup investors near Théo Risopoulos:
- Startup investors in Canada
How to reach Théo Risopoulos
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About this profile
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Cite this page
Round Funded. "Théo Risopoulos." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/theo-risopoulos
Frequently Asked Questions
Who is Théo Risopoulos?
Théo Risopoulos, Co-founder & General Partner at Seido Capital is an active investor based in Montreal, Quebec. Théo Risopoulos invests in Healthcare & Biotech, typically at Early Stage Venture and Late Stage Venture.
What does Théo Risopoulos invest in?
Théo Risopoulos invests in Healthcare & Biotech, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Théo Risopoulos invest at?
Théo Risopoulos typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Théo Risopoulos's typical check size?
Théo Risopoulos typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
Where is Théo Risopoulos based?
Théo Risopoulos is based in Montreal, Quebec.
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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