Jomkwan Chirathivat

Gyu Grill Group Co. Ltd. is a Thai company that operates restaurants. The private company is based in Bangkok, Thailand. Boonyong Tansakul has been the CEO of the company since 2018.

Zen Supply Chain Management Co. Ltd. is a Thai company that offers a membership card program to its customers. The private company is based in Bangkok, Thailand. Customers can earn one point for every 25 baht spent at Zen Japanese Restaurant, On the Table, AKA, and Din's stores. Upon accumulating 99 points, customers can redeem them for a 100 baht discount or use them to receive special privileges during their birth month. The reward points expire after two years from the year of purchase, and the expiration point is cut at the end of the year that has expired. Boonyong Tansakul has been the CEO of the company since 2018.

Aka Interfood Co. Ltd. operates as a restaurant. The private company is based in Bangkok, Thailand. Boonyong Tansakul has been the CEO of the Thai company since 2018.

Zen Restaurant Holding Co. Ltd. operates as a holding Thai company with interests in operating restaurants. The private company is based in Bangkok, Thailand. Boonyong Tansakul has been the CEO of the company since 2018.

Tokyo Concept Co. Ltd. operates restaurants. The private company is based in Tokyo, Japan. Boonyong Tansakul has been the CEO of the Thai company since 2018.