Dr Mahassan Mamat is a Senior Lecture at the Biology Division, Centre for Foundation Studies in Science, University of Malaya, Kuala Lumpur. He completed his Doctorate, Master of Science and Bachelor of Science in University of Malaya. His core area of research field is in Comparative Neurobiology. His focus is on diversity and neuroanatomy of fish which involved morphology, neuroanatomy, immunohistochemistry, histology and brain topograhy using scanning electron microscope technique. Involved in administrative works as a Deputy Director (Academic), Head of Biology Division, Secretary and Treasury in residential college. Also, involved almost 11 years as Fellows in a residential college in UM (Sultan Nazrin Shah College (KK12), Bestari College (KK4) and Ungku Aziz College (KK11)) since 2002 until 2017.