Sumi Hahn was born in Korea and immigrated to the United States when she was a year old. A former English teacher, she got her Bachelor's in English literature from Harvard University and her Master's from UC Berkeley. She was a columnist for the Times Picayune in New Orleans and has written on food and music for various publications in Seattle. Sumi and her family now live in New Zealand but divide their time between Korea and New Zealand. The Mermaid from Jeju is her first novel.