Mechanical Engineer from  UNESP – Faculdade de Engenharia de Guaratinguetá, he has worked with Toyota do Brasil for over 29 years in many areas such as production engineering, production, environment and maintenance.

Yoshihara is a specialist in automotive painting, he was responsible for the implementation of the painting line at the Indaiatuba Plant – Corolla vehicle line. He was an internal trainer for TPS (Toyota Production System), responsible for the standardization of the FMDS (Floor Management Development System) and worked as an FMDS consultant for Toyota Argentina. He has received more than 2 years of training from Toyota Motor Corporation-Japan.