Jully Tomoko Yamamoto, Brazilian born, began her studies in the São Paulo School of Music and the São Paulo Municipal School. 
In 2007, she started her undergraduate viola studies under the guidance of Renato Bandel, Tânia Campos e Marcelo Jaffe.
 In 2018, she got her Artist certificate under guidance of Gina Coletti and Jonathan Moerschel at Azusa Pacific University.

 As a teacher, she was the musical coordinator of a project called NDO – Development Nucleus for Orchestra. Also, as a violin and viola teacher she gave studio classes for children between 6 and 17 years old, besides private lessons of violin and viola. In 2011 Jully was appointed as the violist of the Oliver Toni String Quartet and with this group she received the revelation award granted by the Ariana String Quartet. The group was invited to be the resident quartet at the PRIMA project, founded and directed by Alex Klein. During this time all quartet members taught both private and group lessons for children and teenagers in eleven different cities, focusing on strings, chamber music and orchestra.