Toni Vainio, Partner at Pantheon Ventures is an active investor based in London Area, United Kingdom. This profile covers what Toni Vainio backs, at which stage, and how founders can reach out in 2026.
Toni Vainio is a Partner at Pantheon Ventures and a founding member of Pantheon’s Global Private Debt Investment Team.
Toni Vainio invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VCInvestment Partner
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseFintechArtificial Intelligence
- Location
- London Area, United Kingdom
- Typical check
- $3.8M
How to reach Toni Vainio
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Cite this page
Round Funded. "Toni Vainio." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/toni-vainio
Frequently Asked Questions
Who is Toni Vainio?
Toni Vainio, Partner at Pantheon Ventures is an active investor based in London Area, United Kingdom. Toni Vainio invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture.
What does Toni Vainio invest in?
Toni Vainio invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Toni Vainio invest at?
Toni Vainio typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Toni Vainio's typical check size?
Toni Vainio typically writes checks around $3.8M. 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.