Prof. Norman Y.S. Woo received his PhD in Zoology from the University of Hong Kong, and did his postdoctoral training in Zoology at the University of California, Berkeley. He joined the then Biology Department of CUHK as lecturer in 1977, and became the department‘s chairman from 1994 to 1996 and from 2004 to 2010. He is currently a professor at the School of Life Sciences. He has been studying fish physiology for over 35 years, with thrusts being towards piscine osmoregulation and its endocrine control mechanisms.