Jaeseung Y.
Venture Partner at Sopoong Ventures
Seoul, South Korea
Jaeseung Y., Venture Partner at Sopoong Ventures is an active investor based in Seoul, South Korea. This profile covers what Jaeseung Y. backs, at which stage, and how founders can reach out in 2026.
Jaeseung Y. is a Venture Partner at Sopoong Ventures and the founder of Tumblbug.
- Investor type
- VC
- Stages
- SeedSeries A
- Invests in
- Consumer & Retail
- Location
- Seoul, South Korea
- Typical check
- $625K
How to reach Jaeseung Y.
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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.
Frequently Asked Questions
What does Jaeseung Y. invest in?
Jaeseung Y. invests in Consumer & Retail, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jaeseung Y. invest at?
Jaeseung Y. typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Jaeseung Y.'s typical check size?
Jaeseung Y. typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do I contact Jaeseung Y.?
Unlock Jaeseung Y.'s verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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.