Karim began his journey with knifemaking under Master Bladesmith Thomas Gerner in 1995. Thomas was the first Australian Master Bladesmith from the prestigious American Bladesmith Society. Karim has developed his skills in the area of blade forging, heat treating steel, handle construction, sheath making and leatherwork. He has been teaching knife making since 1998, and created the Tharwa Valley Forge to provide further opportunities for teaching and learning in 2003.  He currently teaches courses in Knifemaking, Forging, Damascus and Sharpening as well as making custom knives to order.

He is the President of the Australian Knifemaking Guild. Previously he was the ACT/NSW State representative for the AKG.

Karim was an Outdoor Educator for over 13 years with Outward Bound Australia, designing and running personal development programs for youth. He also ran a prestigious national leadership program with the Australian Rural Leadership Foundation for 5 years. Karim holds a Certificate IV in Workplace Training and Assessment.