Justin Marcus
Angel investor in London
London, England
Justin Marcus, Angel investor in London is an active investor based in London, England. This profile covers what Justin Marcus backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCFounderInvestor
- Stages
- Seed
- Invests in
- FintechWealthTechHealthcare & BiotechDigital Health & HealthTechBiotech & PharmaSaaS & EnterpriseCrypto & Web3Consumer & Retail
- Location
- London, England
- Typical check
- $250K
- Past investments
- 24
Notable investments
Abacum
Beep Networks
Nabis
Airseed
ZeroCater
DoseDr
ForeVRBueno FinancePopl
StarStock
BooktropeThe Ticket FairyHow to reach Justin Marcus
Angels and operators like Justin Marcus reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Justin Marcus
Frequently Asked Questions
What does Justin Marcus invest in?
Justin Marcus invests in Fintech, WealthTech, Healthcare & Biotech and Digital Health & HealthTech, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Justin Marcus invest at?
Justin Marcus typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Justin Marcus's typical check size?
Justin Marcus typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Justin Marcus?
Unlock Justin Marcus's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.