Ai Kokiso is a vocal coach based in Tokyo Japan.

She was a dancer and kids actress during age 3 years old to 15 years old in Japan played the part of Clara for “The Nutcracker", “Boris Godunov" with Kirov Opera, Television drama, Movie, TV commercial. At the almost same time when she was 6 years old started study vocal and piano. Step by step got a interesting to music especially the voice.

After the graduated Musashino Academia Musicae Senior High School, traveled to UK and US. She studied vocal with lots of Jazz, Soul and R&B singer in New York include Grammy award nominated Jazz singer. In that time she recorded backing vocal for her friend of vocalists, performed in hospital. These experiences made the core of her music and art.

In 2010 she became Speech Level Singing(SLS) certified teacher then left the SLS in 2013. Now she is Mentor IVA certified teacher. She has ever taught with some of professional singers, actors(The Sound of Music, The Lion King, Spring Awakening, Annie, Peter Pan, and other Japanese casts), voice actors(Pokémon, NARUTO, ATTACK ON TITAN, DRAEMON and other).

Now she enjoying a teaching and Soul, Jazz, Blues and Funk performance in Tokyo's music scene.