During his seven years at Toyota, Tamashiro gained experiences in different productive areas, like operation of printwork machines, preparation for installation of rolling lines and bridges, programming of tools, quality, operator performance, TPM and OEE.
He was also responsible for the management of various teams: production, equipments, quality, environment, productivity and work safety. His responsibilities involved decision-making and problem-solving in production.
At Toyota, Tamashiro received trainings in Team Leaderships, Production Handler, Toyota Way, Toyota Business Practive, Risks and Danger Evaluation and Management, Toyota Communication Skills. He also interned at the Toyota headquarter in Japan.