Justin Leong, Venture investor in Singapore is an active investor based in Singapore. This profile covers what Justin Leong backs, at which stage, and how founders can reach out in 2026.
Chief Investment Officer of Tantallon Impact Venture Fund and founder and CIO of Alpha Goal International; also on the Board of Advisors of Inversion Summits.
Justin Leong invests in Impact & Social Enterprise, typically at Seed and Series A.
- Investor type
- VC
- Stages
- SeedSeries A
- Invests in
- Impact & Social Enterprise
- Location
- Singapore
- Typical check
- $625K
How to reach Justin Leong
Angels and operators like Justin Leong 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.
Reach active investors like this one
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Justin Leong." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/justin-leong
Frequently Asked Questions
Who is Justin Leong?
Justin Leong, Venture investor in Singapore is an active investor based in Singapore. Justin Leong invests in Impact & Social Enterprise, typically at Seed and Series A.
What does Justin Leong invest in?
Justin Leong invests in Impact & Social Enterprise, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Justin Leong invest at?
Justin Leong typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Justin Leong's typical check size?
Justin Leong typically writes checks around $625K. 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.