Stonebridge Ventures

Stonebridge Ventures is a venture capital firm established in 2008. The firm focuses on investing in early-stage companies across various sectors, seeking to identify and support innovative startups with high growth potential. Stonebridge Ventures aims to provide not only financial resources but also strategic guidance to help these companies navigate their development and achieve long-term success. Through its investments, the firm fosters entrepreneurship and contributes to the growth of the startup ecosystem.

Yoo Seung Woon

CEO

32 past transactions

Portal 301

Seed Round in 2025
PORTAL301 is a tech startup focused on transforming the UI/UX in the robotics industry. It focus is on the nuclear power plant decommissioning and powder coating sectors.

MINDs AI

Series A in 2024
Minds AI is a company focused on delivering comprehensive mental health services, leveraging artificial intelligence and biotechnology to enhance its offerings. It aims to improve access to preventive care by providing education, training, and counseling specifically designed to address issues such as depressive symptoms, stress analysis, and emotional regulation. Through its innovative approach, Minds AI seeks to empower clients to build both physical and mental resilience, ultimately promoting overall well-being and mental health.

Daan Biotherapeutics

Series A in 2024
DAAN Biotherapeutics is a biopharmaceutical company focused on developing innovative treatments for cancer patients. The company specializes in research and development in the field of cancer therapies, employing a range of approaches such as cell therapies, antibodies, and small molecule inhibitors. DAAN Biotherapeutics is particularly dedicated to immune-oncology, utilizing anticancer immune cell therapies, including natural killer (NK) cells and T cell receptors. Through its independent research infrastructure, the company conducts clinical trials to explore various treatment strategies, aiming to create effective new drugs, particularly for lung cancer. By providing healthcare providers with advanced therapeutic options, DAAN Biotherapeutics seeks to improve outcomes for cancer patients.

Peekaby

Seed Round in 2023
Peekaby specializes in the design and manufacturing of customized play kits tailored for children's cognitive development. The company's offerings focus on stimulating various aspects of children's growth, including physical, sensory, social, and emotional development. By providing developmentally appropriate play services, Peekaby supports parents in fostering their children's joyful growth through engaging and educational activities.

OPENEDGES Technology

Venture Round in 2023
OPENEDGES Technology researches AI acceleration technology to contribute to democratizing AI innovation. The company provides IP technology for smart computing, enabling Internet of Smart Things. The company provides IPs in two technology sectors of smart computing highly efficient AI acceleration and high-performance memory subsystem including DDR memory controller and on-chip interconnect IP. The company offers the needed boost to performance, efficiency, and reliability. OPENEDGES Technology was founded on 2015 and is headquartered in Seoul, Korea.

Onconic Therapeutics

Series B in 2022
Onconic Therapeutics is a biotechnology company dedicated to the research and development of innovative cancer treatments. The company focuses on creating next-generation anti-cancer therapies that target specific mechanisms involved in cancer progression. By simultaneously inhibiting signal delivery agents that promote cancer cell growth and DNA damage repair enzymes, Onconic Therapeutics aims to enhance the effectiveness of its therapies. This approach provides healthcare professionals with advanced options for treating various types of cancer, contributing to the ongoing efforts to improve patient outcomes in oncology.

Vivo

Series A in 2022
Vivo is a creative group that specializes in producing engaging online content, primarily in the realms of comedy and music. Founded in 2015 by Eun-i Song and Sook-kim Kim, the company emerged from their desire to create a platform for personal expression after experiencing a lull in broadcasting opportunities. Initially starting with a podcast titled 'Secret Guaranteed,' Vivo has since expanded its focus to develop original content that resonates with audiences on a deeper level. The group aims to foster a sense of connection and joy through their productions, utilizing innovative ideas and planning skills to deliver entertaining experiences that promote fun and happiness. With a commitment to creating content that reflects both their passions and the preferences of their audience, Vivo continues to grow and evolve in the digital content landscape.

TissenBioFarm

Seed Round in 2022
TissenBioFarm is a food technology company focused on the mass production of cultured meat that features realistic texture and marbling. The company utilizes advanced 3D bioprinting technology to create not only cell-cultured meat but also artificial organs for transplantation, including liver, kidney, and skin. This innovative approach aids medical professionals in treating patients with various organ-related diseases while simultaneously advancing the field of cultured meat production.

Enerever

Series B in 2022
Enerever Battery Solution is a Korean manufacturer specializing in battery separator components. It produces fabric coatings, slits these coated fabrics, and manufactures battery cans. The company focuses on developing eco-friendly, water-based coating products that ensure uniform thickness and prevent particle aggregation, catering to electric vehicle, mobile device, and e-bicycle manufacturers seeking efficient battery solutions.

CultureHero

Series B in 2021
CultureHero is a developer of a cooking application aimed at enhancing the cooking experience through lifestyle-oriented content. The application provides users with a variety of recipes, cooking tips, and table styling videos. It also recommends lifestyle products related to kitchen and household items. Additionally, CultureHero offers food boxes containing all the necessary ingredients, allowing users to prepare recipes tailored to different occasions. This holistic approach combines culinary guidance with practical resources to elevate home cooking.

Snorkel AI

Series C in 2021
Snorkel AI, Inc. is a technology company that specializes in developing an end-to-end machine-learning platform designed to facilitate the creation, management, and monitoring of AI applications. Founded in 2016 and based in Palo Alto, California, the company offers Snorkel Flow, a platform that enables programmatic data labeling, augmentation, and curation. This platform supports the clean integration and management of data for AI, as well as the training and deployment of various models. Snorkel AI's technology is particularly adept at extracting entities, relationships, and structured information from complex documents and forms, while also ranking content based on relevance and other factors. The company serves diverse sectors, including finance, government, telecommunications, insurance, healthcare, and e-commerce, and is recognized for its contributions to AI research through peer-reviewed publications.

Future Kitchen

Seed Round in 2021
Future Kitchen is a pioneering automated robot kitchen platform focused on transforming the food delivery landscape. It employs advanced robotics to manage the entire food production process, from preparation to delivery, in collaboration with self-driving delivery technology. The company's system emphasizes a sustainable approach, ensuring that the composition of its products minimizes environmental impact. By leveraging automation, Future Kitchen aims to streamline operations for food creators, enhancing efficiency while maintaining high standards of cleanliness and ease of use in their kitchen services.

OpenExchange

Series D in 2021
OpenExchange, Inc., operating as OpenExchange Communications, is a provider of a meeting network tailored for the financial services sector. Founded in 2009 and headquartered in Lincoln, Massachusetts, with additional offices in Boston, New York, London, and Hong Kong, the company delivers a range of products designed to enhance communication within the investment community. Its offerings include OE Connect, OE Stream, OE Conference, and OE Learn, as well as OpenExchange Virtual, which facilitates virtual meetings through desktop videoconferencing technology that operates over any IP network. The platform allows users to create personal online profiles, schedule video meetings, and access a global directory of financial services professionals, thereby supporting investment managers, investment banks, and public companies in their interactions. OpenExchange's solutions aim to improve the efficiency and security of communications in the financial market.

The PlantEat

Series B in 2021
The PlantEat is a food-tech startup focused on creating and distributing a range of plant-based alternatives. It addresses pressing social issues such as the excessive reliance on animal-based diets and global nutritional imbalances. By utilizing functional plant ingredients and advanced food data analysis, The PlantEat develops products including plant-based milk, crackers, ketchup, and eggless mayonnaise. The company aims to promote healthier eating habits and provide consumers with nutritious alternatives to meat, fostering a healthier lifestyle for all.

Allganize

Series A in 2021
Allganize, Inc. is an enterprise workplace automation company that specializes in AI-driven knowledge management software. Founded in July 2017 and based in Pleasanton, California, Allganize provides a natural language understanding API and conversational AI solutions designed to enhance workflow automation for businesses. The company's platform employs advanced deep learning technology to facilitate cognitive search, sentiment analysis, and keyword extraction, allowing organizations to gain insights into team activities and overarching work patterns. By enabling medium and large enterprises to harness AI capabilities, Allganize helps optimize customer engagement and extract value from unstructured data, ultimately enhancing business operations and customer experiences.

Onegene Biotechnology

Series A in 2021
Onegene Biotechnology is a biotechnology company focused on developing innovative protein-based drugs to treat cancer, metabolic, and inflammatory diseases. The company specializes in creating highly potent tri- or multispecific protein drugs by combining various molecular types, including Fab fragments, scFv, sdAb, peptides, cytokines, agonists/antagonists, and enzymes. This approach allows for an unprecedented level of design flexibility with optimized physical properties, opening new avenues for developing complex protein drugs that are feasible to manufacture. Onegene's technology involves protein conjugation, which connects two separate proteins to produce therapeutic recombinant proteins through post-translational fusion. This method enables the production of multi-target proteins with large molecular weights, providing prolonged holistic benefits for treating complex and multifactorial diseases.

Superb AI

Series A in 2021
Superb AI is a training data platform that automates the preparation of data at scale, facilitating the rapid development and iteration of datasets for various applications. Founded in 2018 by a team of data scientists, academics, and machine learning engineers, the company aims to transform how organizations label, manage, and deliver training data. With extensive experience in computer vision and deep learning, Superb AI provides tools for data annotation, curation, model training, and deployment, streamlining the development of data-centric artificial intelligence projects. The platform is designed to enhance efficiency, allowing businesses to expedite the creation and deployment of computer vision applications.

AffyXell Therapeutics

Series A in 2021
AffyXell Therapeutics, founded in January 2020 as a joint venture between Avacta and Daewoong, specializes in the development of innovative mesenchymal stem cell (MSC) therapies. The company focuses on creating next-generation cell and gene therapies aimed at treating inflammatory and autoimmune diseases, as well as preventing organ transplant rejection. By harnessing the potential of MSCs, which are recognized for their therapeutic capabilities, AffyXell aims to provide effective treatment options for various health conditions, thereby enhancing the quality of care delivered by healthcare professionals.

B:eat Corp

Series A in 2021
B: eat is a retail automation platform intended to run a robot-based cafe.

JungggleX

Series A in 2020
JungggleX is an advertising platform.

H2O Hospitality

Series B in 2020
H2O Hospitality, Ltd. is a hospitality management company based in Seoul, South Korea, specializing in the Korean and Japanese markets. Established in 2015, it is recognized as the largest vacation rental management company in its region. H2O Hospitality offers a range of services including profit management, housekeeping and facility management, customer call response, online sales and marketing, as well as reservation and inventory management. The company utilizes an innovative property management system (PMS) that automates operational flows by linking calendars between guests, rooms, and housekeepers, thereby significantly reducing fixed operational costs and enhancing facility yield. Additionally, H2O Hospitality provides digital management solutions to streamline operations for vacation rental properties, facilitating bookings from various online travel agencies and optimizing customer attraction.

TimeTree

Venture Round in 2019
TimeTree, Inc. is a Japanese company established in 2014, specializing in the development of a calendar-sharing application. This innovative platform is designed to streamline schedule management for families, friends, and colleagues by allowing users to share calendars and coordinate events collaboratively. The application enables users to connect with various groups, accommodating busy lives through features that allow for multiple calendars, the posting of schedule messages, and sharing of photos via links and email. TimeTree's focus on enhancing communication and organization helps users effectively manage their time and interests.

Skelter Labs

Series B in 2019
Skelter Labs Inc., founded in 2015 and based in Seoul, South Korea, specializes in developing artificial intelligence-based applications. The company focuses on creating AI solutions that enhance user experiences and drive digital transformation. Skelter Labs offers a range of products, including BELLA QNA, an enterprise data + LLM QNA Chatbot; BELLA LLM, an exclusive LLM for enterprise use; AIQ+ Chat, a task-oriented LLM chatbot builder; AIQ+ Speech, which provides STT/TTS solutions; and AIQ+ Answer, a MRC search assistant. These products are designed to integrate seamlessly into businesses, leveraging the expertise of AI professionals to unlock the potential of enterprises in various industries.

CoHive

Series B in 2019
CoHive, formerly known as EV Hive, is Indonesia's largest co-working space provider, headquartered in Jakarta. The company offers a comprehensive ecosystem that includes co-working, co-living, co-retail, and event spaces, designed to foster community and support the growth of startups and small to medium enterprises (SMEs). With around 9,000 members across 33 locations in major cities such as Jakarta, Medan, Yogyakarta, and Bali, CoHive spans approximately 66,000 square meters of shared workspace. The majority of its members are startups and SMEs, while the remaining clientele includes enterprises from diverse industries. CoHive aims to be a pivotal community builder in Indonesia by connecting individuals and businesses, facilitating knowledge sharing, and providing flexible and affordable workspace solutions. The leadership team includes Co-founder and CEO Jason Lee, Co-founder and CCO Ethan Choi, COO Erich Hirawan, and CRO Iris Wee.

Sentbe

Series B in 2019
Founded in 2015, SentBe is a global financial technology company that provides innovative remittance and payment solutions for individuals and businesses. With a mission to create "A World Without Financial Borders," SentBe facilitates seamless international money transfers through its advanced online platform. The company specializes in non-cent transfers, leveraging price differences between Bitcoin exchanges across various countries to optimize the remittance process. By establishing extensive global partnerships and enhancing foreign exchange management capabilities, SentBe delivers competitive cross-border payment solutions that benefit its clients in both domestic and international markets. Through its commitment to borderless financial services, SentBe is positioning itself as a leader in the global remittance industry.

Socar

Series D in 2019
Socar Inc. is a car sharing company based in Jeju-si, South Korea, specializing in eco-friendly vehicle rental services. Founded in March 2012, Socar enables users to book cars for personal use through its website and smartphone applications. The platform facilitates a community-driven approach, allowing travelers to share vehicles with others on similar routes. With over 1.7 million registered users, the service sees approximately 80,000 transactions each month, translating to a car booking every 30 seconds. Socar's innovative model has positioned it as a leading player in the Korean car sharing market.

The PlantEat

Series A in 2019
The PlantEat is a food-tech startup focused on creating and distributing a range of plant-based alternatives. It addresses pressing social issues such as the excessive reliance on animal-based diets and global nutritional imbalances. By utilizing functional plant ingredients and advanced food data analysis, The PlantEat develops products including plant-based milk, crackers, ketchup, and eggless mayonnaise. The company aims to promote healthier eating habits and provide consumers with nutritious alternatives to meat, fostering a healthier lifestyle for all.

Madup

Series B in 2019
Madup is a marketing services provider focused on enhancing advertising efficiency for its clients through ad tech-based performance marketing. The company offers a range of services that include mobile app marketing consulting, platform management, and advertisement planning, utilizing data-driven strategies to maximize marketing effectiveness. Madup specializes in various marketing techniques such as reward marketing, cost-per-install (CPI) marketing, cost-per-action (CPA) marketing, and cost-per-mille (CPM) marketing. They cater to a diverse clientele, including startups, small and medium-sized businesses, and major companies in sectors like commerce, real estate, education, and gaming. The team is committed to addressing common digital marketing challenges and developing optimal media operation strategies to enhance clients' marketing value. Since its inception, Madup has focused on navigating mobile app market trends and revenue models while continually evolving to ensure future growth.

17Live

Venture Round in 2018
17LIVE Inc. is a live streaming platform that operates primarily in Taiwan, Japan, South Korea, Singapore, and Hong Kong. Founded in 2015 and headquartered in New Taipei City, Taiwan, the company offers its live streaming services under the 17 Media brand. Additionally, it provides online dating services through its Paktor and Goodnight brands. The platform enables users to share their life experiences and talents in real-time, fostering social connections and community engagement. 17LIVE aims to facilitate instant audio and video communication, allowing users to connect with others globally, regardless of their location. The company, which was formerly known as M17 Entertainment Limited, rebranded to 17LIVE Inc. in October 2020.

Skelter Labs

Series A in 2018
Skelter Labs Inc., founded in 2015 and based in Seoul, South Korea, specializes in developing artificial intelligence-based applications. The company focuses on creating AI solutions that enhance user experiences and drive digital transformation. Skelter Labs offers a range of products, including BELLA QNA, an enterprise data + LLM QNA Chatbot; BELLA LLM, an exclusive LLM for enterprise use; AIQ+ Chat, a task-oriented LLM chatbot builder; AIQ+ Speech, which provides STT/TTS solutions; and AIQ+ Answer, a MRC search assistant. These products are designed to integrate seamlessly into businesses, leveraging the expertise of AI professionals to unlock the potential of enterprises in various industries.

Feldan Therapeutics

Series A in 2018
Feldan Therapeutics is a biopharmaceutical company focused on developing innovative therapies using its patented Feldan Shuttle technology. This platform facilitates rapid and secure intracellular delivery of therapeutics, expanding treatment possibilities by accessing previously unreachable cellular components. The company's current pipeline comprises clinical programs leveraging this unique technology to advance novel therapeutic applications.

Dable

Series B in 2018
Dable, Inc. is an online content discovery platform based in Seoul, South Korea, founded in 2015. The company specializes in providing personalized content recommendation solutions and native advertising services, utilizing big data to enhance user engagement and optimize content strategies. Dable has established partnerships with over 3,000 premium media outlets across Asia, generating more than 5 billion monthly pageviews. It is recognized as the most utilized personalized recommendation platform in Indonesia, Vietnam, and Korea, with significant growth in Taiwan and Malaysia. Dable has demonstrated consistent annual sales growth of over 50% since its inception and was ranked 46th among the top 500 Asia-Pacific High-Growth Companies by the Financial Times, achieving the highest position in the media category.
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