Dr. Naoki Yoshie, Assistant Professor of Global COE at the Division of Coastal Oceanography, Center for Marine Environmental Studies (CMES), Ehime University, Japan received the Okada Prize at 2010 annual meeting of the Oceanographic Society of Japan, which was held on 28 March 2010 at the Tokyo University of Marine Science and Technology. Okada Prize has been given since 1964 to young scientist under 35 years old for excellent study in the field of oceanography. Dr. Yoshie was given the prize for his research on “Breakthrough in the marine plankton dynamics and their biogeochemical functions with numerical models”. He has conducted outstanding research on the marine ecosystem dynamics and biogeochemical cycles by combining both field observations and numerical models for predicting the ecosystem responses to environmental changes, whose importance has been recognized internationally.