Dr Koh is currently the Director of ECK Pte Ltd, a company which specializes in providing cold spray equipment and services. Dr Koh is also a registered management consultant under the Enterprise Singapore Consultant Quality Initiative framework and acts as a consultant for numerous companies seeking AS9100 Quality Management System and Nadcap special process certification, specifically in the areas of thermal spray, chemical processing and heat treatment. Concurrently, Dr Koh is a content developer and examination writer for Performance Review Institute (PRI) which administers the PRI Qualification training programmes and the Nadcap special process certification. He also sits in the Management Committee of Association of Aerospace Industries (Singapore), holding the appointment of Assistant Honorary Treasurer and is an adjunct faculty with Embry-Riddle Aeronautical University.
Dr Koh graduated from Nanyang Technological University (NTU), Singapore with a Bachelor of Engineering Degree (Mechanical) in 1998 and a Master of Engineering degree under a post-graduate scholarship awarded by NTU in 2000. He graduated with a PhD degree in 2016, also from the School of Mechanical and Aerospace Engineering in NTU, specializing in the area of cold spray coating.