Udin is one of lecturers in English Language Teaching at English Language Education Program, Faculty of Education the Mataram University of Mataram. He has been a lecturer and has started his career here since 1993. He completed his under graduate study in English Education from the University of Mataram in 1992. He went to University of Pendidikan Ganesa Singaraja, Bali Indoneisa to earn his Master of Education (M.Pd) degree in Teaching English in 2012.  He has devoted his interest and research in teaching English Language Teaching (ELT) methodologies and Language Teaching Assessment.