Hyeyun Joung is an Investor at Irongrey, whose known portfolio counts 13 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investor at Irongrey, whose known portfolio counts 13 companies
- Figment
- Allonnia
- Ascend Elements
- Juvena Therapeutics
- Aptos
- Homebound
- EdgeQ
- Jellatech
- Canvas Medical
- Estoca
- Modern Hydrogen
- Grow Commerce
- and 1 more
Investor Profile
Stage-wise, the deals at Irongrey cluster around Growth, Pre-Seed and Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Hyeyun Joung is worth approaching.
Colleagues at Irongrey
Frequently asked questions
Who is Hyeyun Joung?
Hyeyun Joung is a venture capital investor based in Seoul, South Korea, listed as Investor at Irongrey. The known portfolio of that firm counts 13 companies. That portfolio belongs to the firm, not to Hyeyun Joung personally.
What stage does Hyeyun Joung invest at?
Irongrey appears in Growth, Pre-Seed and Seed rounds across its known deals, and Hyeyun Joung is listed there as Investor. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Hyeyun Joung listed at?
Hyeyun Joung is listed as Investor at Irongrey. 3 other people in the database share a firm with Hyeyun Joung.
How do I contact Hyeyun Joung?
A LinkedIn page is on file for Hyeyun Joung. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal