Currently, Hiroshi Kuroyanagi is Director, Manager-Finance & Head-Internal Control at ISHIZUKA GLASS CO., LTD. Mr. Kuroyanagi is also on the board of Narumi Corp., Hisa Kinzoku Kogyo Co., Ltd. and Far Eastern Ishizuka Green PET Corporation.

In his past career he held the position of Chairman for Nippon Parison Co., Ltd.