Started her ballet training as a child, and went onto being trained in jazz, hip hop and contemporary. She moved to New York City to study various styles and technique, and joined Jking Dance Company.
During her time in New York, Mariko recovered from her injuries through Pilates. Later, she got certificated as a Pilates instructor (both mat & equipment) in New York. As a Pilates instructor, Mariko taught at well-known dance studios in New York and also offered Private/Semi-Private sessions.
After 10 years in New York, she returned to Tokyo and started working as a personal trainer and a Pilates instructor.