Defined foreign plenary/keynote/invited speakers: (inconsecutive)
- Orlando Rojas, Aalto University, Finland
- Carlos Rodríguez-Abreu, CSIC, Spain
- Akira Isogai (磯貝明) The University of Tokyo, Japan
- Hiroshi Kamitakahara (上高原浩) Kyoto University, Japan
- Shingo Matsukawa (松川省吾) Tokyo University of Marine Science and Technology, Japan
- Tetsuo Kondo (近藤哲男) Kyusyu University, Japan
- Shinsuke Ifuku (伊福伸介) Tottori University, Japan
- Hwei Voon Lee, University of Malaya, Malaysia
- Kaname tsutsumiuchi (堤内要) Chubu University, Japan
- Naoya Torikai (鳥飼直也) Mie University, Japan
- Shigeru Deguchi (出口茂) Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan
- You-Lo Hsieh, University of California, Davis