SJ Investment Partners
VC Fund
Seoul, South Korea
SJ Investment Partners is a venture capital firm that invests in the IT and biotechnology industries.
- Total investments:
- 78
- Last investment:
- Lead investor:
- 13%
Last updated:
For AI agents: llms.txt
Industries SJ Investment Partners invests in
Stages SJ Investment Partners invests in
Countries SJ Investment Partners invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $547k–$2.7M
- Series A
- $1.6M–$12M
- Series B
- $4.5M–$27M
Investment Focus
Industry
- Biotechnology 14 (18%)
- Manufacturing 12 (15%)
- Medical 9 (12%)
- Health Care 9 (12%)
- Software 7 (9%)
Stage
- Series A 30 (38%)
- Series B 20 (26%)
- Seed 15 (19%)
- Series C 5 (6%)
- Funding Round 2 (3%)
Country
- South Korea 54 (69%)
- United States 2 (3%)
- Hong Kong 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
|
Han Jun-seung
Team Leader
|
Team Leader | Total investments: 1 | Find email | |
|
Oh Seok Joon
Executive
|
Executive | Total investments: 1 | Find email | |
|
Ok Jin-woo
director
|
director | Total investments: 1 | Find email | |
|
Sangmin Kim
Executive director
|
Executive director | Total investments: 4 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
DevD
|
DevD is a startup that provides 1:1 customized content and recommendation services based on self-developed lifestyle AI algorithms. | Seed / Jun 01, 2026 | |
Dnotitia
|
Dnotitia is a pioneering AI (Artificial Intelligence) company driving innovative value by integrating AI and data. Founded in October 2023, Dnotitia specializes in developing; Seahorse, a high-performance vector database powered by its proprietary Vector Data Processing Units (VDPU), and Mnemos, a cutting-edge service solution for Large LanguageModels (LLMs). The company also leads the development of sLMs (Small Language Models) and Retrieval-Augmented Generation (RAG) systems, crucial for advancing generative AI technologies and positioning itself at the forefront of AI technology. | $63.4M / Series A / Apr 21, 2026 | |
Ticaros
|
Ticaros is a biotech company that develops immune anti-cancer drugs. | $14M / Series D / Mar 03, 2026 | |
Tatum security
|
Tatum security provides cloud security software for businesses. All enterprise infrastructure environments are transitioning to the cloud, Enterprises need a flexible and secure form of security. Tatum security's Cloud Security Configuration Management (CSPM) technology helps companies build context-optimized cloud security. Enterprises useTatum security's CSPM (Cloud Security Configuration Management) technology, You can build cloud security that is optimized for each situation. | Series A / Dec 31, 2025 | |
CloudHospital
|
Founded in Seoul, South Korea, CloudHospital is a robust online platform helping patients around the world find the best providers for their needs regardless of where they are located. We are an experienced team from around the globe with ample experience in the fields of web technology, medical practice, and finance. Our mission is simple: to makeit easier for everyone to find the best medical solutions anywhere in the world.By investing in technology that takes the complexities out of world-wide medical services, icloudhospital.com can seamlessly connect millions of patients around the world to excellent medical services, both from the most demanding surgeries to the most accurate health checkups as well as the world’s most advanced cosmetic procedures. As one of the world’s most well integrated medical concierge services firm, icloudhospital.com enables hospitals and clinics around the world reach their global audience efficiently.Our services, which are accessible through icloudhospital.com is available in English, Chinese and Russian and offers the best medical hospitals and clinics, including the best respected doctors in their field of expertise. For all your medical care needs, icloudhospital.com makes it easy and supports you with 24/7 customer support. | Series A / Nov 17, 2025 | |
PineTree Therapeutics
|
PineTree Therapeutics engages in the development of disruptive therapies in Oncology and Immuno-oncology. | $47M / Series B / Oct 28, 2025 | |
Plcoskin
|
Plcoskin is a MedTech company specializing in reconstructive plastic surgery and regenerative skincare. They have developed a scaffold that removes the need for cadaver-sourced material used in breast reconstruction surgery, making procedures safer and cheaper. Plcoskin’s scaffolds are made with synthetic PCL, a biodegradable material that iscommonly used to create surgical sutures. Unlike competitors' products that remain in the body for a lifetime, Plcoskin’s PCL scaffolds are absorbed and replaced with the recipient’s own natural tissues, minimizing the possibility of long-term side effects. As they do not contain any dangerous chemicals, they are also 50% safer than cadaver-sourced scaffolds.Costs for reconstructive breast surgery are brought down by 40% to only $3 thousand per breast. Furthermore, much less handling time is required, reducing average surgery durations from an hour and a half to only 30 minutes. The mesh design of the scaffolds mitigates the need for an additional follow-up reconstructive surgery, something that is common when using cadaver-sourced scaffolds.Plcoskin has also developed Youlief, a cosmeceutical product & therapeutic device pipeline that helps fund R&D for their medical devices. Youlief is available in the US, Europe, Taiwan, Singapore and Japan. | $10.1M / Series C / Oct 27, 2025 | |
|
Eleven Hours
|
Eleven Hours offers innovative B2B SaaS solutions designed to streamline and automate repetitive operational tasks, enabling businesses to increase efficiency, reduce human error, and save valuable time and resources. | $1.8M / Seed / May 19, 2025 | |
Aniitzworld
|
Aniitzworld is a South Korea-based foodtech startup behind the AnyEats platform (anyeats.co.kr). It builds AI-powered unmanned food retail systems like vending machines, smart kiosks, and automated cafes that operate. The company focuses on HMR/RMR solutions, providing convenient meals in places like campuses, hospitals, and offices. Its techintegrates inventory management, demand forecasting, and smart distribution to expand “eat anytime, anywhere” food access. | $547.3K / Seed / Feb 28, 2025 | |
JLT
|
JLT supplies industrial automation equipment solutions and focuses on technology improvement through an integrated welding solution development project. | $16.1M / Series B / Feb 25, 2025 | |
| See all 78 investments → | |||
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FAQ
What does SJ Investment Partners invest in?
SJ Investment Partners invests primarily in Biotechnology, Manufacturing and Medical startups, most often at Series A and Series B stage. Most of the 78 investments tracked by Shizune back companies in South Korea. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is SJ Investment Partners's check size?
SJ Investment Partners typically joins rounds of $547k–$2.7M at Seed, $1.6M–$12M at Series A and $4.5M–$27M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds SJ Investment Partners participates in.
How do I contact SJ Investment Partners?
Public channels for SJ Investment Partners include the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at SJ Investment Partners?
The team at SJ Investment Partners includes Han Jun-seung (Team Leader), Oh Seok Joon (Executive) and Ok Jin-woo (director). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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