Mamiko Watanabe was born in Fukuoka, Japan. In1999, she received a scholarship to attend the Berklee College of Music where she received several awards for Jazz piano and Composition. She was also a semi-finalist at the prestigious Montreux Jazz Festival Solo Piano Competition both in 2002 and 2003. She has toured Germany, Italy and Japan and has performed with jazz greats such as Joe Lovano, Kevin Mahogany and Bobby McFerrin while in college. After moving to New York, she performed at notable venues including Blue Note, Dizzy's Club at the Lincoln Center, The Kennedy Center, Jazz at the Kitano and more. She has also appeared and featured at the Clifford Brown Jazz Festival, Super Jazz Ashdod Festival in Israel and Penang World Music Festival in Malaysia.
She recorded her debut album, One After Another, in 2005 and her second album, ORIGIN/JEWEL in 2007. Her third release, entitled Mother Earth was completed in 2010 received excellent reviews from the writers of Jazz Inside Magazine, New York City Jazz Record and Jazziz Magazine. Her 4th album Flying Without Wings was just released.