Keith runs the Grinter Glass studio in Whangarei, where his focus is on developing his glass blowing skills, particularly the shard pick-up technique. He works in a range of media including painted and blown glass, painting and sculpture. Keith exhibits throughout New Zealand including Te Papa, Pataka and Sarjeant galleries. He was the winner of the 2015 Westpac Northland Business Excellence Awards – Creative Northland Excellence in Arts Business Award. Two of his painted and blown works have been purchased by Sir James Wallace for the Wallace collection.