Born and raised in Jeju, he runs Lamp Studio in the western village of Gosan-ri, Jeju. He handles sound across various fields, including album production, documentaries, films, commercials, and live performances. Like a daily exercise, he collects sounds from Jeju, later using his accumulated sound data in his projects. He also engages in meaningful work with sound, such as layering Jeju's natural sounds over poetry readings by the owners of the local bookstore 'Sorisomun', his neighbors, and providing sound for monthly indie band performances.

Byeolatgan Farmers is a community of eco-friendly farmers who explore “What does a sustainable way of life look like?” by planting countless questions like stars and seeking their own answers. Ten farmers are working together to cultivate a 1,000-pyeong (about 3,300 square meters) ecological garden in Daheul-ri Village, conducting “harmless farming experiments” for the benefit of all living beings. The group includes Ko Juhi, Lee Inhee, Lee Chanhee, along with seven other members.

In 2001, Kim Poomchang moved to Jeju Island with his family and settled in Seogwipo City. He has won awards at prestigious art exhibitions such as the Korea Art Exhibition and the National Art Exhibition of Korea. He has consistently created works centered on Jeju Island and has held over 20 solo exhibitions. He has also participated in numerous group and invitational exhibitions both domestically and internationally. In 2025, one of his works, featuring a "fantasy where humans, whales, octopuses, and birds coexist," will be included in an elementary school art textbook. Inspired by Jeju's natural beauty, his art depicts a fantastical world where not only humans but all living creatures coexist. His published works include and , and he has illustrated numerous children's books.