Toshiyuki Yoshioka is an animator. He started his career at Studio Ten (スタジオ天) and went later to Beeboo (ビーボォー) before becoming freelance animator. Today he is part of the free animator studio Asadoya.
Yoshioka is a fan of Stanley Kubrick and the Urawa Red Diamonds, he also loves Japanese live action films. His blood type is A. (quoted from aniDB)
His personal Twitter account is:
@toshi_yoshioka.