
Masashi Koizuka is an animator and director. He was born in 1980 and graduated from Hosei University. Koizuka is a talented artist who made his director debut on Tales of Asteria. He then moved on to the animation production company, Bee Train Co., Ltd. Over the course of his career, he oversaw the performances and delivery for Robotics;Notes, and moved on to become the assistant director and prop designer on the Attack on Titan series after he joined WIT studio in 2013. Sakura con 2016 was his first US appearance.
2025MoonriseTV showSeries Director · Series Composition · Storyboard Artist · Writer · 18 episodes
2020Attack on Titan: ChronicleMovieDirector
2018Attack on Titan: The Roar of AwakeningMovieDirector
2015Seraph of the EndTV showDirector · 2 episodes
2013Attack on TitanTV showAnimation Director · Director · Series Director · Key Animation · Prop Designer · Storyboard Artist · 34 episodes
2012Robotics;NotesTV showDirector · 1 episodes
2011Hanasaku Iroha: Blossoms for TomorrowTV showKey Animation · 1 episodes
2010Durarara!!TV showKey Animation · 1 episodes
2009Guin SagaTV showAnimation Director · 1 episodes
2009Electromagnetic GirlfriendTV showKey Animation · 1 episodes
2009Psalms of Planets Eureka Seven: Good Night, Sleep Tight, Young LoversMovieAnimation Director
2008Detective Conan: Full Score of FearMovieKey Animation
2008Real DriveTV showKey Animation · Animation Director · 1 episodes
2007Baccano!TV showKey Animation · 1 episodes
2004Gin'yuu Mokushiroku Meine LiebeTV showKey Animation · 1 episodes
2004GankutsuouTV showKey Animation · 1 episodes
—THE ONE PIECETV showSeries Director · 1 episodes