Arthur works at the University of Ulster, where he teaches at the Business Institute on a range of programmes for private, public and not for profit client organisations.
He was a teacher, teacher trainer and manager in EFL (English as a Foreign Language) for 15 years. He worked in Sweden, Libya and Kuwait as well as in the UK and Ireland. He completed the RSA Dip TEFLA in 1977, with a Distinction in the Practical Tests, and an MBA (Henley, 1991) by distance learning.
He is co-author of Professional English in Use Management (2011, Cambridge University Press).