Keiko Kubo was born and raised in Japan. She first studied ikebana as a teenager with her mother and eventually obtained her certificate to teach ikebana. After graduating from college, Kubo came to the United States to study at the Art Institute of Chicago, where she obtained her MFA in sculpture. She later studied Western floral art and developed her practical skills working in the Chicago floral industry. Her style is a unique blend of three major influences: ikebana, Western floral design, and sculpture.