Capstone Partners

Capstone Partners, established in 2008, is a venture capital firm headquartered in Seoul, South Korea. It specializes in early-stage investments, primarily in the technology sector, including artificial intelligence, ICT services, web3, games, and bio healthcare. The firm focuses on companies based in South Korea, particularly in Seoul and Gyeonggi province, and occasionally in China. Capstone Partners typically exits its investments through trade sales.

Hwajin Choi

General Partner

Song Eun-gang

CEO

Junghoon Jang

Director

Minsu Kang

Director

Eunkang Song

CEO

Jun Mo You

Senior Associate

Past deals in Language Processing

Wrtn Technologies

Series B in 2025
Wrtn Technologies develops an AI-based content creation platform that utilizes natural language processing to assist users in writing. Aimed at addressing the challenges associated with declining writing skills, the platform enables a collaborative approach where AI and humans work together. This innovative tool is designed particularly for Gen-Z, helping them enhance their creativity and productivity in writing. By leveraging advanced AI technology, Wrtn Technologies provides a unique solution that empowers clients to improve their writing capabilities and overcome obstacles in the creative process.

Wrtn Technologies

Series A in 2023
Wrtn Technologies develops an AI-based content creation platform that utilizes natural language processing to assist users in writing. Aimed at addressing the challenges associated with declining writing skills, the platform enables a collaborative approach where AI and humans work together. This innovative tool is designed particularly for Gen-Z, helping them enhance their creativity and productivity in writing. By leveraging advanced AI technology, Wrtn Technologies provides a unique solution that empowers clients to improve their writing capabilities and overcome obstacles in the creative process.

Wrtn Technologies

Seed Round in 2022
Wrtn Technologies develops an AI-based content creation platform that utilizes natural language processing to assist users in writing. Aimed at addressing the challenges associated with declining writing skills, the platform enables a collaborative approach where AI and humans work together. This innovative tool is designed particularly for Gen-Z, helping them enhance their creativity and productivity in writing. By leveraging advanced AI technology, Wrtn Technologies provides a unique solution that empowers clients to improve their writing capabilities and overcome obstacles in the creative process.

LINER

Series A in 2020
LINER is a pioneering company in the field of artificial intelligence, specifically focusing on enhancing productivity through its AI-powered search engine. Known as Asia's first AI agent, LINER's platform utilizes large language model technology to perform a variety of complex tasks, streamlining the research process for users. Its unique highlighter database allows for efficient information management, significantly reducing research time from hundreds of minutes to mere seconds. Serving a global user base, with over 94% of its clientele located outside Korea, LINER operates in more than 100 countries. The company aims to help users collect and develop insights more effectively, thereby improving overall productivity.

Qualson

Series A in 2014
Qualson Inc., established in 2012 and headquartered in Seoul, South Korea, is a developer of mobile language learning applications. The company specializes in innovative educational services, particularly focused on English learning. Through its mobile platform, Qualson delivers engaging and interactive content that allows users to learn English in an enjoyable manner, leveraging real-world context. The company has attracted investment from notable firms, reflecting its growth and potential in the language education market.
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