S&S Investment is a South Korea-based venture capital firm founded in 2020 and headquartered in Seongnam-si. The firm invests across healthcare, biotechnology, artificial intelligence, semiconductors, and displays, focusing on discovering and nurturing promising early-to-growth-stage companies.
They made 1 investments in the last 12 months. Average disclosed round size is $15.8M (across 7 rounds with reported amounts).
Portfolio
7
Fund Size
—
Top Stage
Series A
Last 12 Mo
2
Team
Inyoung Park
Managing Director
Jiun Lee
Managing Director
Hwain Kim
Manager
IHyun Kim
준법감시인/위험관리책임자
Seejun Jeong
CEO
Donald Ferreira
Managing Director
Daniel William
Partner / Advisor
David (Suk Min) Hong
Partner
Megan Fox
Partner / Advisor
Hansheng Wang
Investment Analyst
Robert Thompson
Investor
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
| 바바이셀스탠다드 | Unknown | — | Jan 2026 |
| PPinetree Therapeutics, Inc. | Series B | $47M | Oct 2025 |
 PlayTag | Series A | — | May 2023 |
 Boosters Co., Ltd | Unknown | $10M | Feb 2022 |
| MMakinaRocks | Seed | $10M | Aug 2020 |
| MMakinaRocks | Seed | — | Jan 2018 |
| MMakinaRocks | Series A | $10M | — |
| PPinetree Therapeutics, Inc. | Series A | $17M | — |
| CCrocus Inc. | Series B | $4.9M | — |
| CCrocus Inc. | Bridge | — | — |
| 닷닷밀 | Ipo | $12M | — |
Top Co-Investors
Last updated: 8 September 2026