Eileen Chang HeadshotEileen Chang, Artistic Director, Conductor of Honors Choir, Chamber Choir, and Advanced Children’s Choir, is in her ninth year teaching at Cantabella Children’s Chorus. She did her undergraduate studies in Voice performance at CSU Long Beach and her graduate studies in Choral Conducting at the Westminster Choir College. She is the founder of the New Choir, an auditioned chamber choir based in San Jose. Ms. Chang’s music has developed under the tutelage of Hoon Cha Chai, Joseph Flummerfelt, Christian Grube.

Grace_EdwardsGrace Edwards, Director for the Children’s Choir and Director for Training Choir 1 (Dublin and Livermore), holds Master of Music degrees in Piano Pedagogy and Music Education with Kodaly Emphasis from Holy Names University. She also holds certifications in Suzuki Method and Dalcroze Eurythmics. She has conducted and accompanied many adult and children’s choirs, and has sung with prominent choirs in the Bay Area. She runs a private studio in Oakley and is an evaluator for the Music Teacher’s Association of California’s Certificate of Merit Program.

Velma Lee HeadshotVelma Lee, Director for the Training Division, Piano Accompanist and Theory Instructor, holds a Bachelor of Music degree in Music Education, a Master of Church Music degree in Pipe Organ. She has extensive experience working with children having conducted children’s and handbell choirs. She is an active member of the American Guild of Organists and Music Teachers’ Association of California. Velma teaches piano lessons in her private piano studio.

Joy Tsai HeadshotJoy Tsai, Piano Accompanist and Theory Instructor, earned a BM/MM degree in Piano Performance and received Kodály music education training from Holy Names University. She teaches in her private piano studio in Pleasanton and performs regularly as a soloist and with ensemble groups. She is a member of the Music Teachers’ Association of California, is on the faculty at Holy Names University and Diablo Valley College, and continues her piano studies with Betty Woo.

Tosca Sutomo HeadshotTosca Sutomo, Piano Accompanist and Theory Instructor, holds a Bachelor of Music degree from the San Francisco Conservatory of Music with extensive experiences in both choral accompanying and choral directing. She also maintains a successful piano-teaching studio in Dublin.


Jumi KimJumi Kim, Director for Training Choir 1 (Pleasanton), Vocal Coach and Theory Instructor, received her Bachelor degree in Voice in Seoul, Korea, and her Master degree in Voice from the San Francisco Conservatory of Music. She gained opera experience at Sonoma State University and through performances in the Bay Area. Ms. Kim placed first in the Redwood Chapter of the National Association of Teachers of Singing in 2004 and she was a member of the San Francisco Concert Chorale. She performed as the soloist for the Korean Symphony Orchestra at Herbst Theatre and the soprano soloist for Handel’s Messiah and Faure Requiem with the Valley Concert Chorale and Viva La Musica. She is currently a member of the Valley Concert Chorale in the Tri-Valley and the New Choir in the Peninsula, and, she teaches Hymnal and church music history at the Berkeley Christian College.

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