Capstone Partners

Founded in 2008, Capstone Partners is a venture capital firm based in Seoul, South Korea. It focuses on early-stage investments in technology sectors such as information technology, wireless technology, and artificial intelligence, primarily in China and South Korea.

Hwajin Choi

General Partner

Junghoon Jang

Director

Minsu Kang

Director

Eunkang Song

Co-Founder, CEO and General Partner

Song Eun-gang

CEO

Past deals in Language Processing

Wrtn Technologies

Series B in 2025
Wrtn Technologies develops an AI-based content writing assistant using Natural Language Processing (NLP) based AI. Its platform offers AI writing assistance, enabling humans and AI to collaborate in determining challenges posed by declining writing abilities, thereby enhancing creativity and productivity.

Wrtn Technologies

Series B in 2024
Wrtn Technologies develops an AI-based content writing assistant using Natural Language Processing (NLP) based AI. Its platform offers AI writing assistance, enabling humans and AI to collaborate in determining challenges posed by declining writing abilities, thereby enhancing creativity and productivity.

Wrtn Technologies

Series A in 2023
Wrtn Technologies develops an AI-based content writing assistant using Natural Language Processing (NLP) based AI. Its platform offers AI writing assistance, enabling humans and AI to collaborate in determining challenges posed by declining writing abilities, thereby enhancing creativity and productivity.

Wrtn Technologies

Seed Round in 2022
Wrtn Technologies develops an AI-based content writing assistant using Natural Language Processing (NLP) based AI. Its platform offers AI writing assistance, enabling humans and AI to collaborate in determining challenges posed by declining writing abilities, thereby enhancing creativity and productivity.

LINER

Series A in 2020
LINER is an AI-powered platform that delivers an autonomous AI agent and a personalized search engine to help users accomplish more with less time and effort. The AI workspace, described as an autonomous agent, performs diverse and complex tasks using large language models and LINER's highlighter database, enabling users to streamline research and productivity. The platform provides a search engine that collects, manages, and develops insights, powered by GPT-4 and tuned for a productivity assistant, helping users efficiently gather and discover important information. LINER serves a global user base, with more than 94% of users located outside Korea across more than 100 countries, and aims to reduce research time from hundreds of minutes to tens of seconds each day.

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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