Yujiro Kosaka is a games programmer. Kosaka has been working with Sony Interactive Entertainment, SEGA, Koei Tecmo and Atlus. Kosaka's first game was Shin Megami Tensei: Persona 4 published by Square Enix for PlayStation 3 and PlayStation 2 in 2008. Next, Yujiro Kosaka worked on Catherine taking on the role of programmer. Later, Kosaka also was part of the team who developed Persona 5 published by Deep Silver for PlayStation 4 and PlayStation 3. Most lately, Yujiro Kosaka worked on Persona 5 Royal.