Grayson Kostron Grayson “GK” Kostron is an up-and-coming filmmaker who projects everything in his mind to move himself and his culture forward to new heights how he sees fit. Grayson avidly loves music, cinema, reading, writing, and hiking. He danced hula for five years under Kekaiulu Hula Studio and enjoys any form of art that teaches him a new form of appreciation.Grayson knows that anything that is possible in the mind is possible in real life. Anything.