Mark Horncastle, Venture investor in Hartford is an active investor based in Hartford, England. This profile covers what Mark Horncastle backs, at which stage, and how founders can reach out in 2026.
Mark Horncastle has 30 years of experience in Healthcare, previously a Partner at PA Consulting, and now advises and funds innovative businesses in the sector.
Mark Horncastle invests in Healthcare & Biotech, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VCAngel
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Healthcare & Biotech
- Location
- Hartford, England
- Typical check
- $3.8M
How to reach Mark Horncastle
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Round Funded. "Mark Horncastle." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-horncastle
Frequently Asked Questions
Who is Mark Horncastle?
Mark Horncastle, Venture investor in Hartford is an active investor based in Hartford, England. Mark Horncastle invests in Healthcare & Biotech, typically at Early Stage Venture and Late Stage Venture.
What does Mark Horncastle invest in?
Mark Horncastle 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 Mark Horncastle invest at?
Mark Horncastle typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Mark Horncastle's typical check size?
Mark Horncastle 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.