Eujin is a Reader in Additive Manufacturing and Associate Dean for the College of Engineering, Design and Physical Sciences at Brunel University London.

He chairs the UK national committee for Additive Manufacturing (BSI AMT/8) and the Convenor for the International Organization for Standardization committee for Additive Manufacturing Data and Design (ISO TC261/WG4), resulting in a total of eight international standards that have been published, and 6 standards are under development.