Kaz was the first officer aboard the IKS Klothos serving under Commander Kor during the 2260s. (TAS: "The Time Trap")

As a product of 22nd century genetic engineering, Kaz was descended from Klingons affected with the augment virus created in 2154. (ENT: "Divergence")

In 2269, Kaz was in charge of organizing the details for destroying the USS Enterprise following the combined escape of their two vessels from the Delta Triangle. (TAS: "The Time Trap")