Masashi Koizuka was born in 1980, completed his education at Hosei University, and later became a renowned young artist. He began his career as a director with Tales of Asteria before moving on to Bee Train Co., Ltd. where he worked on Robotics;Notes. Koizuka then joined WIT studio in 2013 as an assistant director and prop designer, working on the Attack on Titan series. In 2016, he will make his first appearance in the US at Sakura Con.