He holds postgraduate qualifications in English (MA, AMU, India), MEd (Jamia Millia Islamia, India), MPhil and PhD (JMI, India). His research and publications include education, language education, teaching of English, peace education, culture-based teaching of English, educational policy and curriculum development. For the past 24 years he has been actively engaged in teaching, training, professional development, conference presentations, research, publication and community services. An author of 12 books and 60 articles/papers, Dr Khan has been carrying out sponsored projects on writing textbooks in the area of English language teaching in Saudi Arabia.