• Developing Engaging, the collaborative creation tool that allows you to create desired AI services without programming. Engaging provides a powerful set of features, which includes creating AI services with an intuitive canvas design tool interface, customized data learning and production, user tracking and analysis, and integrating with 3rd-party functions such as web and social scraping, image recognition, and more.

• Founded a startup in game and software development and operated it for 10 years. The company was sold in 2017.• Performed the core development of several games for PC and mobile platforms, including titles like Memory of Aria (메모리 오브 아리아) and Cloud Pang (구름이 되고팡). The games were published by Kakao or self-published in South Korea.• Developed customized marketing software that can track and manage users and campaigns. We signed client contracts with major PR companies in Korea and serviced them.

• Performed the core development and team management of the PC online game, Crystal Boarder (크리스탈 보더). The game was published by SK C&C and serviced in South Korea and Japan.

• Performed the core development of the PC online game, Pucca Funny Race (뿌까 퍼니 레이스), and led the game development team as the youngest dev team manager in Nexon, the largest game development company in South Korea.

• Developed software for portable MP3 music players and participated in the development of the Hi-Net system that provides interactive on-demand video service. As a part of the government's global support program, they were serviced in New Zealand and Malta.