SJ Investment Partners

SJ Investment Partners, founded in 2010 and based in Seoul, South Korea, is a venture capital firm focused on investing in early-stage companies. The firm primarily targets industries such as information and communication technology, biotechnology, food, proptech, fintech, healthcare, gaming, materials parts equipment, and tourism. By concentrating on these sectors, SJ Investment Partners aims to support innovative businesses and foster growth in dynamic markets.

Ok Jin-woo

Director

Sangmin Kim

Executive Director

67 past transactions

JLT

Series B in 2025
JLT supplies industrial automation equipment solutions and focuses on technology improvement through an integrated welding solution development project.

Sizzle

Venture Round in 2025
Sizzle is a company that provides an integrated process analysis solution based on accumulated experience.

KorasRobotics

Series A in 2024
KorasRobotics is a technology company that provides tooling systems, customized robots, and robot-based intelligent systems.

Dnotitia

Seed Round in 2024
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 Language Models (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.

LILLEM

Series A in 2024
LILLEM is a manufacturing company that engages in the research, development, and production of lithium secondary battery materials.

Medistream

Series C in 2024
Medistream operates an integrated platform for oriental medicine.

Wise AI

Series B in 2024
Wise AI specializes in AI-driven customer service solutions tailored for various industries, including dental and medical practices. Their offerings encompass AI-powered platforms designed to enhance client engagement and operational efficiency. It streamlines communication processes by integrating advanced AI technologies, providing 24/7 customer support, and facilitating seamless interactions between businesses and their clients.

Mezoo

Series B in 2023
Mezoo is a medical device manufacturing company focused on developing biomedical sensor technology aimed at enhancing human health through accurate diagnoses. The company has created a compact, patch-type electrocardiogram that can be affixed to a patient’s chest. This device monitors heart activity in real-time, allowing physicians to effectively manage and prevent heart disease. By providing essential health data, Mezoo's technology supports healthcare professionals in delivering timely and informed medical care.

MobilTech

Series B in 2023
MobilTech is an AI-based 3D GIS startup company that supplies 3D spatial information, hardware, and software solutions for smart cities.

Deaver

Series A in 2023
Deaver is an app for delivery management services.

Plcoskin

Series B in 2023
Youlief is a company that specializes in developing and providing genuine sensitive skin derma cosmetic products online. It operates as part of Plcoskin, which focuses on reconstructive plastic surgery and regenerative skincare. Youlief's product line includes skin regenerating sheets designed for patients who have undergone breast tissue removal due to cancer, thereby supporting the reconstruction process. These innovative products aim to reduce surgery times and costs while promoting safer surgical procedures. Youlief's offerings are available in multiple markets, including the United States, Europe, Taiwan, Singapore, and Japan. By combining cosmetic solutions with therapeutic applications, Youlief plays a crucial role in enhancing patient care and advancing research and development in medical technologies.

Vetching

Series A in 2023
Vetching started with the meaning of matching veterinarians and veterinary hospital customers by combining veterinarian and matching.

GTL Co., Ltd.

Series A in 2023
GTL Co., Ltd. is headquartered in Changwon City, South Korea. We manufacture LEO-satellite tracking antenna systems. We provide products based on clients' demands at reasonable costs and with high performance.

APR Corporation

Funding Round in 2023
APR is a global beauty-tech company expands beyond beauty with “Medicube” leading the charge.

GenKOre

Series A in 2022
GenKOre is a biotech company focused on developing innovative gene therapy solutions for medical emergencies. The company specializes in genetic scissors technology, which is integral to its healthcare platform. This platform not only provides gene therapy options but also includes educational programs that cover genome editing techniques, therapeutic approaches, and plant biotechnology. Through these offerings, GenKOre aims to enhance the genetic well-being of patients and the broader healthcare sector by providing valuable information and resources.

Activity Exchange

Series A in 2022
Activity Exchange is a startup that develops travel product publishing and reservation management solutions for local travel agencies.

cashmallow

Venture Round in 2022
Cashmallow is a currency exchange application that facilitates the exchange and sending of foreign currency. It offers a platform that utilizes real-time exchange rates, allowing users to withdraw money from nearby ATMs with ease. This service is particularly beneficial for travelers, as it enables them to confidently manage their finances in unfamiliar destinations. By streamlining the currency exchange process, Cashmallow enhances the overall travel experience and ensures that users can access funds conveniently and reliably.

Deaver

Series A in 2022
Deaver is an app for delivery management services.

Frientrip

Series B in 2022
Bored of the same old daily life, but not sure where to begin? Or you know what you want to do, but your friends don't share that same interest? Frientrip was born to satisfy these needs. Frientrip is a social activity platform which allows people to gather and enjoy various outdoor/indoor activities together. As the biggest platform of its kind in Korea, Frientrip believes that everyone can lead a more energetic life by trying out new things and meeting new people. Therefore, we aim to create a community where people enhance their experience and share it with one another, as our slogan goes -- WE INSPIRE PEOPLE TO EXPERIENCE THE WORLD.

Selecxine

Series B in 2022
Selecxine is a biopharmaceutical development company specialized in the field of immunotherapeutics. Selecxine strives to develop immunotherapeutics a new paradigm of pharmaceuticals– through a specialized antibody development process, using an innovative platform technology of functional antibody screening and development.

We Hudling

Series A in 2022
Wehuddling provides corporate and individual breakfast and lunch subscriptions. The company offers secure and free meal shipping services.

StoreLink

Series B in 2022
StoreLink is an open market optimization platform that focuses on enhancing the performance of sellers in online shopping environments. The company utilizes artificial intelligence to analyze and process accurate online sales data, providing tools that maximize visibility for sellers. Additionally, StoreLink offers sales forecasting models that help clients improve their sales and revenue, making it easier for businesses to navigate the complexities of online retail.

Vastera

Series B in 2022
Bastera is a biotech company with the primary goal of developing groundbreaking treatments for cardiovascular and cancer diseases. Their approach involves targeting new redox signaling pathways, aiming to pioneer "first-in-class" therapies in these fields. Vastera was established in 2018 when SangWon Kang, a professor at Ewha Womans University, transferred a patent based on research results on redox signaling in blood vessels and cancer.

CloudHospital

Seed Round in 2022
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 make it 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.

Dataknows

Series A in 2022
Dataknows is an application that provides stock annuity, enterprise, investment, software, ICT, and data solutions.

Deaver

Series A in 2022
Deaver is an app for delivery management services.

Tripbtoz

Series B in 2021
Tripbtoz, Inc. operates an online hotel booking platform that also functions as a social travel agency. Founded in 2015 and based in Seoul, South Korea, the company allows travelers to engage with their experiences through video, sharing and discovering different types of travel in real time. Users can search for hotels worldwide, book flights, rent cars, and access personalized recommendations for vacation packages. Additionally, the platform incentivizes participation by offering trip cash for engaging in activities that enhance the travel experience. Tripbtoz continuously evolves by incorporating feedback and preferences from its community of travelers.

S-Alpha Therapeutics

Series A in 2021
S-Alpha Therapeutics Inc. is a digital therapeutics company based in Seoul, South Korea, founded in 2019. It focuses on researching and developing health applications and platform technologies designed to treat various diseases through digital devices. The company's product lineup includes SAT-001 for ophthalmology, SAT-002 for neurology, SAT-003 for oncology, and SAT-008 for addressing social issues. In addition to these applications, S-Alpha Therapeutics is engaged in developing therapeutic devices aimed at providing innovative treatment solutions for conditions that are challenging to address with existing medical technologies. The company strives to create a healthier and more equitable society by leveraging the intersection of biology and information technology to meet unmet medical needs.

Sol Bio

Series A in 2021
SOL Bio is a biotechnology company focused on cancer diagnostics, specializing in the research and development of in vitro diagnostic products. Utilizing exosome isolation technology, the company aims to create early diagnostic tools for various cancers and chronic diseases. Its platform is designed to facilitate the immuno-isolation and analysis of exosomes, providing researchers and healthcare professionals with innovative solutions to address unmet medical needs. Through its advancements, SOL Bio seeks to enhance access to novel therapies and improve patient outcomes in the field of oncology.

Poen

Series A in 2021
Poen is a venture company affiliated with Hyundai Motors that specializes in battery upcycling technology. The company focuses on extending the lifecycle of vehicle batteries by employing processes such as disassembly, repair, and reassembly, allowing batteries to maintain their original performance. By reducing the need for actual battery replacements, Poen enables clients to reuse remanufactured batteries for automotive applications and other purposes, including uninterruptible power supplies and mobility solutions. Additionally, Poen provides services for evaluating and certifying the residual value of batteries, contributing to sustainable practices within the automotive industry.

Vinssen

Series B in 2021
Vinssen is a manufacturer of electric and hydrogen ships.

Mezoo

Series A in 2021
Mezoo is a medical device manufacturing company focused on developing biomedical sensor technology aimed at enhancing human health through accurate diagnoses. The company has created a compact, patch-type electrocardiogram that can be affixed to a patient’s chest. This device monitors heart activity in real-time, allowing physicians to effectively manage and prevent heart disease. By providing essential health data, Mezoo's technology supports healthcare professionals in delivering timely and informed medical care.

Onegene Biotechnology

Series A in 2021
Onegene Biotechnology is a biotechnology company that develops highly potent tri- or intraspecific protein-based drugs. It allows an unlimited combination of different types of molecules, such as Fab fragment, scFv, sdAb, peptide, cytokines, agonist/antagonist, or enzymes. The unprecedented design flexibility with optimized physical properties opens new design space for multispecific protein drugs with CMC feasibility.

StoreLink

Series A in 2020
StoreLink is an open market optimization platform that focuses on enhancing the performance of sellers in online shopping environments. The company utilizes artificial intelligence to analyze and process accurate online sales data, providing tools that maximize visibility for sellers. Additionally, StoreLink offers sales forecasting models that help clients improve their sales and revenue, making it easier for businesses to navigate the complexities of online retail.

S-Alpha Therapeutics

Seed Round in 2020
S-Alpha Therapeutics Inc. is a digital therapeutics company based in Seoul, South Korea, founded in 2019. It focuses on researching and developing health applications and platform technologies designed to treat various diseases through digital devices. The company's product lineup includes SAT-001 for ophthalmology, SAT-002 for neurology, SAT-003 for oncology, and SAT-008 for addressing social issues. In addition to these applications, S-Alpha Therapeutics is engaged in developing therapeutic devices aimed at providing innovative treatment solutions for conditions that are challenging to address with existing medical technologies. The company strives to create a healthier and more equitable society by leveraging the intersection of biology and information technology to meet unmet medical needs.

Real Estate Planet

Seed Round in 2020
Real Estate Planet is an AI-driven real estate platform that offers comprehensive services for both residential and commercial properties. The platform provides valuable information on transaction prices, investment opportunities, and management details. Additionally, it highlights ongoing projects, as well as those in redevelopment and reconstruction, ensuring that customers have access to up-to-date information. By offering premium services, Real Estate Planet aims to assist clients in finding the right real estate properties that meet their specific needs.

DEEP INSPECTION

Series A in 2020
DEEP INSPECTION offers customized software development services.

Hanteo Global

Seed Round in 2020
Hanteo Global is the world’s one-and-only company that owns K-POP big data.

Dataknows

Seed Round in 2020
Dataknows is an application that provides stock annuity, enterprise, investment, software, ICT, and data solutions.

April Bio

Series B in 2020
April Bio is a drug development company that develops antibodies and long-acting biologics.

Funda

Series B in 2020
Funda is a P2P finance service that connects multiple investors to sound stores that need funds and creates a financial service.

Tripbtoz

Series A in 2020
Tripbtoz, Inc. operates an online hotel booking platform that also functions as a social travel agency. Founded in 2015 and based in Seoul, South Korea, the company allows travelers to engage with their experiences through video, sharing and discovering different types of travel in real time. Users can search for hotels worldwide, book flights, rent cars, and access personalized recommendations for vacation packages. Additionally, the platform incentivizes participation by offering trip cash for engaging in activities that enhance the travel experience. Tripbtoz continuously evolves by incorporating feedback and preferences from its community of travelers.

Cookat

Series C in 2019
Cookat is a digital content creator focused on food and culinary trends, delivering engaging videos and recipes through various channels. The platform is optimized for mobile users, allowing it to effectively share food-related content on social media. Cookat aims to inspire and inform its audience about unique recipes and gourmet trends while facilitating the purchase of wholesale items, such as restaurant advertisements and home meal replacements, enabling consumers to connect and share with others. Through its innovative approach, Cookat endeavors to enhance the culinary experience for food enthusiasts.

House of Rebels

Series A in 2019
House of Rebels is an intellectual property-commerce group focused on culture-based media and brands. The company operates a media platform that promotes creative works and collaborates with various artists and creators, primarily from the subculture scene. This approach allows House of Rebels to build events, products, and brands that enable users to explore diverse cultures and unique offerings. Through its initiatives, the company aims to expand its reach within the media and branding sectors.

AIONCO KOREA Co

Venture Round in 2019
AIONCO KOREA provides competitive item sourcing and logistics solution service to cross border eCommerce clients. AIONCO specializes in the delivery of exceptional Multi-Channel Fulfillment solutions. From pallets to beautifully gift wrapped packages, they provide a streamlined, single-source solution that optimizes the supply chain across all channels for brands in both the direct-to-consumer and wholesale arenas. The company was established in 2015 and is based in Seoul, Korea.

MEDICAL IP

Series B in 2019
MEDICAL IP is a South Korean company founded in 2015 that specializes in developing a 3D medical platform powered by artificial intelligence. The company focuses on analyzing medical image data generated in hospitals to enhance diagnostic accuracy and surgical planning. Its key products include MEDIP, an AI-driven 3D modeling platform, and ANATDEL, which facilitates simulated surgical procedures and patient-specific 3D printing. By leveraging advanced segmentation analysis, MEDICAL IP’s technology enables healthcare professionals to detect anatomical components, such as lesions, and extract critical quantitative data, including volume and area, improving the overall understanding of patients' conditions.

BOMAPP

Series A in 2019
Bomapp Inc., founded in 2015 and based in Seoul, South Korea, specializes in developing a mobile application designed to streamline the insurance purchasing process for users. The Bomapp app serves as an integrated insurance manager, allowing users to review and purchase various insurance products while providing personalized coverage reports to enhance consumer understanding. Key features of the app include policy monitoring, product comparisons, and easy claims submission, all aimed at making insurance more accessible and engaging. As of mid-2020, the app had achieved 2.2 million downloads and 1.7 million registered users. In addition to its business-to-consumer offerings, Bomapp is expanding into business-to-business and business-to-business-to-consumer markets, addressing the insurance needs of small and medium-sized enterprises and platform service providers. The company continues to focus on enhancing its digital insurance experience, aiming to simplify the entire process from comparison to application through personalized coverage options.

Uneedcomms

Seed Round in 2018
Uneedcomms, Inc. is a South Korean company specializing in data-driven e-commerce and marketing solutions. Founded in 2014, the company offers innovative products such as SMARTSKIN, a mobile shopping solution, and TARGETBOOK, a big data-based advertising management tool. TARGETBOOK analyzes shopping mall user behavior to optimize ad targeting and synchronizes product information in real time, facilitating effective advertising for mall retailers. Additionally, it automates the creation and editing of promotional content, allowing businesses to focus on strategic decision-making rather than repetitive tasks. Uneedcomms aims to enhance the efficiency of small and medium-sized e-commerce businesses, positioning itself as a key player in the evolving digital marketplace.

APR Corporation

Series B in 2018
APR is a global beauty-tech company expands beyond beauty with “Medicube” leading the charge.

Yam table

Seed Round in 2018
Yam table is an online seafood market.

Inventage Lab

Seed Round in 2018
inventory Lab is promoting the development of new and improved drugs for the treatment of refractory and chronic diseases by establishing a new drug delivery system. In addition, inventory will strategically develop various consumer-oriented pipelines to create new values ​​of human happiness and technological innovation.

Tripbtoz

Seed Round in 2018
Tripbtoz, Inc. operates an online hotel booking platform that also functions as a social travel agency. Founded in 2015 and based in Seoul, South Korea, the company allows travelers to engage with their experiences through video, sharing and discovering different types of travel in real time. Users can search for hotels worldwide, book flights, rent cars, and access personalized recommendations for vacation packages. Additionally, the platform incentivizes participation by offering trip cash for engaging in activities that enhance the travel experience. Tripbtoz continuously evolves by incorporating feedback and preferences from its community of travelers.

TODOC

Series A in 2018
TODOC is the technology leader of neural prosthesis and neuromodulation system in Korea. TODOC is developing cochlear implant system with innovative manufacturing method for implantable neural interface. People who have a hearing loss greater than 90dB are guided to use cochlear implant instead of hearing aids to restore hearing. Our goal is to expand the cochlear implant market globally. Because of the high price, cochlear implants are usually consumed in the developed countries such as North America and Europe. However, majority of the hearing-impaired population currently resides in the developing or underdeveloped countries where people cannot afford the benefit of the cochlear implant. This high price of the cochlear implant is mostly due to the manual method of manufacturing the neural electrodes. To replace the conventional manual fabrication method, TODOC has developed automated micro-machining electrode manufacturing processes at only 1/10 of conventional manufacturing cost of electrode, as well as the cochlear implant system. The automated electrode manufacturing processes can offer higher capacities for a wider range of sounds to the hearing impaired than conventional ones. TODOC aims to become a global leader in the Brain-Machine Interface field based on its superior Neural Interface Technology.

INECO

Venture Round in 2017
inECO offers functional eco-friendly construction materials.

Cookat

Series B in 2016
Cookat is a digital content creator focused on food and culinary trends, delivering engaging videos and recipes through various channels. The platform is optimized for mobile users, allowing it to effectively share food-related content on social media. Cookat aims to inspire and inform its audience about unique recipes and gourmet trends while facilitating the purchase of wholesale items, such as restaurant advertisements and home meal replacements, enabling consumers to connect and share with others. Through its innovative approach, Cookat endeavors to enhance the culinary experience for food enthusiasts.

Cookat

Series A in 2016
Cookat is a digital content creator focused on food and culinary trends, delivering engaging videos and recipes through various channels. The platform is optimized for mobile users, allowing it to effectively share food-related content on social media. Cookat aims to inspire and inform its audience about unique recipes and gourmet trends while facilitating the purchase of wholesale items, such as restaurant advertisements and home meal replacements, enabling consumers to connect and share with others. Through its innovative approach, Cookat endeavors to enhance the culinary experience for food enthusiasts.

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.
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