Isahak Haron is Senior Research Fellow at the University of Malaya (UM). Prior to this, he was Professor and Dean of the Faculty of Education at UM and Professor of Education at Sultan Idris University. Isahak has served as consultant to World Book Encyclopedia International Chicago, the Ministry of Education in Malaysia and Brunei Darrussalam. He was also a visiting Fulbright scholar at the School of Education, Stanford University. His significant contribution in education include The Integrated Sound-Word Method, a method used in the teaching of literacy of Bahasa Melayu (Rumi and Jawi), widely applied in Malaysia and Brunei. Isahak also led the report on English as the medium of instruction for Science and Mathematics. The study had a decisive impact on the review of the PPSMI (the teaching of mathematic and science in English) policy in 2010. Isahak obtained his B.A Hons and Dip. Ed from UM (1964), MEd from the University of Sydney (1971) and PhD from the University of Chicago (1977).