Yoichiro Takehora, Ceo at spelldata at Spelldata | SlideShareWeb Performance tuning Professional. Location: Tokyo, Japan Interests: Reading, Workout, Writing, Performance Tuning, System Engineering, Computer Science Education: Nihon University (1987 - 1993) web performance web mobile web performance mobile website mobile marketing 5g quality assurance website design smartphone application performance smatphone performance mobile performance ssl smartphone u
