Hiroshi Kōjina (神志那 弘志, Kōjina Hiroshi; born June 4, 1963) is a Japanese animator, character designer, and anime director. His directorial works include Grenadier, Majin Tantei Nōgami Neuro, Kiba, Rainbow - Nisha Rokubō no Shichinin and the 2011 anime adaptation of Hunter × Hunter. He is a member of the Japanese Animation Creators Association. He joined Studio Live in 1982, and following the death of Toyoo Ashida, became the head of the company in 2011.
Source: “Hiroshi Kōjina”, English Wikipedia (CC BY-SA 4.0), excerpt