ES Investor

ES Investor is a Seoul-based venture capital firm founded in 2000 that backs early and growth-stage information technology companies in South Korea, aiming to contribute to the development of Korean SMEs and ventures by providing operational and strategic advisory, marketing support, and professional services alongside its investments.

Seyoung Moon

Managing Director

Past deals in South Korea

SSenStone

Venture Round in 2024
SSenStone Inc., founded in November 2015 and based in Seoul, South Korea, specializes in developing security and authentication solutions aimed at enhancing user privacy and transaction safety. The company offers a range of products including StonePASS, an integrated user authentication system certified by FIDO, StoneAUTH, a user random code login solution, and VOTC, a credit card designed to prevent fraud during transactions. Additionally, SSenStone provides Digital e-ID services to further secure online identities. The company's innovations focus on creating a safer and more convenient user experience in both digital authentication and payment processes.

AULBIO

Series A in 2022
Founded in 2018, AULBIO is a biotechnology company based in Suwon-si, South Korea. It specializes in the research and development of formulated products using its proprietary microsphere drug delivery technology, Extenna. This technology aims to reduce dosing frequency and improve patient wellbeing, with a focus on developing once-a-month injectable products like AUL001.

Neurophet

Series B in 2021
Founded in 2016, Neurophet is a neuroscience company based in Seoul, South Korea. It specializes in developing advanced brain stimulation simulation software, Neurophet tES Lab, and neuro-navigation technology to aid clinicians in treating patients with brain diseases.

ImpriMed

Series A in 2021
ImpriMed, Inc. is a biotechnology company focused on providing personalized drug response prediction services for veterinary oncology. Established in 2017 and headquartered in Palo Alto, California, with an additional office in Seoul, South Korea, the company specializes in analyzing the drug responses of live cancer cells from pets, particularly in cases of lymphoma. By collecting genetic and cellular information from these cancer cells, ImpriMed develops precision medicine techniques that assist veterinary oncologists in selecting the most effective anticancer treatments for individual pets. This patient-derived database not only enhances treatment decisions for animals but also has the potential to translate insights into human oncology, ultimately aiding in the development of tailored cancer therapies for humans.

AULBIO

Series A in 2020
Founded in 2018, AULBIO is a biotechnology company based in Suwon-si, South Korea. It specializes in the research and development of formulated products using its proprietary microsphere drug delivery technology, Extenna. This technology aims to reduce dosing frequency and improve patient wellbeing, with a focus on developing once-a-month injectable products like AUL001.

Neurophet

Series A in 2019
Founded in 2016, Neurophet is a neuroscience company based in Seoul, South Korea. It specializes in developing advanced brain stimulation simulation software, Neurophet tES Lab, and neuro-navigation technology to aid clinicians in treating patients with brain diseases.

ONDA

Series A in 2019
ONDA is a hospitality technology company based in Seoul, South Korea, specializing in reservation management solutions for small to mid-size hotels and guesthouses both locally and internationally. The company offers a suite of products, including ONDA Plus for reservation management, ONDA Wave for integrated scheduling, and ONDA Star, a comprehensive property management system. Additionally, ONDA Easysell serves as a hotel extranet platform to enhance distribution capabilities. With a focus on optimizing hotel operations and increasing online visibility, ONDA aggregates real-time data from over 40,000 properties and distributes it across 50 online channels, enabling hotels to expand their reach and boost bookings. The company also publishes Magazine ON, which features interviews with accommodation owners and industry insights.

Tenping

Venture Round in 2019
Tenping is a South Korean company founded in 2015 that specializes in mobile advertising networks, focusing on enhancing the visibility of advertisements across various platforms, including mobile messengers, social networking services, and community websites. The company provides a performance marketing platform that allows advertisers to release content in a native format, distributing it effectively across social networks, blogs, and mobile applications. Tenping's technology enables real-time measurement and evaluation of advertising performance, allowing marketers to analyze audience behavior and manage advertising efficiency effectively. Since its inception, Tenping has garnered the use of over 100 advertising companies, successfully launching more than 600 advertising campaigns.

Tripbtoz

Seed Round in 2019
Tripbtoz, Inc. is an online travel agency based in Seoul, South Korea, founded in 2015. The company operates a comprehensive hotel booking platform that allows users to search for and reserve accommodations worldwide. In addition to hotel bookings, Tripbtoz offers personalized travel guides and enables users to book flights and rent cars. The platform encourages user engagement by allowing travelers to share and view travel videos, providing real-time insights into various travel experiences. Users can also earn trip cash by participating in activities that help them explore virtual regions and accommodations. Through its innovative approach, Tripbtoz aims to enhance the travel planning experience by offering tailored recommendations and connecting travelers with diverse vacation packages.

MR.PIC Corp.

Venture Round in 2018
MR.PIC Corp. is a South Korean company that operates an online portal and mobile application providing comprehensive information on new and used vehicles. Launched in February 2014, the platform offers detailed specifications, engine ratings, safety statistics, and dealer performance data. It functions as a comparative estimation tool, enabling consumers to evaluate vehicles and dealerships before purchase. The service covers a broad range of vehicle types and includes additional lifestyle and entertainment content. By aggregating and presenting key data in a user‑friendly format, MR.PIC Corp. assists individuals in making informed automotive buying decisions.

ONOFFMIX

Series A in 2016
ONOFFMIX Inc., founded in 2010 and based in Seoul, South Korea, is a leading event management and promotion platform that facilitates both online and offline events. The company's platform allows organizations to host and manage various types of events, including conferences, seminars, fundraisers, and lectures. ONOFFMIX provides tools for setting up event websites quickly, managing online registrations, and promoting events through diverse channels. With a focus on the Meetings, Incentives, Conventions, and Exhibitions (MICE) industry, ONOFFMIX leverages social media to help clients build meaningful connections and effectively manage their events.
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