Prof. Dr. Ahmad Zamri Khairani holds a BA in Education and Master of Education from Universiti Sains Malaysia and a Ph.D. in Educational Testing from the International Islamic University Malaysia. His research interests mainly include Psychometric and Educational Testing as well as Teacher Education. He currently serves as a Senior Lecturer at the School of Educational Studies at Universiti Sains Malaysia. He is known for his work in Rasch Model analysis and has published several articles in indexed journals related to the analysis. He also has conducted various workshops and reviewed many articles related to the Rasch Model.