Keiko was born in Kyoto, Japan. Mostly self-taught, Keiko embarked on a professional art career in 2005 and started exhibiting publicly. In the same year she took a workshop from Alvaro Castagnet and discovered the joy of plein-air painting. Since that year her paintings have been juried into many exhibitions across Americas and in Asia and Europe. Her work has been purchased by private and corporate collectors from all around the world. She also had her paintings published in leading art magazines in the U.S., Europe and Japan.