Yoshikatsu Murooka is an Emeritus Professor of Osaka University, Japan. He has formerly served as Visiting Fellow and Visiting Scientist at the National Institute of Health, USA, and an Executive Director in the North American Center for Education and Research of Osaka University. He has also worked as chief-editor of the Journal of Biotechnology and Bioengineering, and is a member of the New York Academy of Sciences. He has published more than 200 articles and books, and holds MSc and PhD degrees in Biotechnology from Osaka University, Japan.