1988
Scientist, Diving Science and Technology Department, JAMSTEC
2008
Group Leader, Ocean Dynamics Group, Ocean General Circulation Research Program, Institute of Observational Research for Global Change, JAMSTEC
2009
Program Director, Ocean Climate Change Research Program, Research Institute for Global Change, JAMSTEC
2014
Director, Research Center for Global Change, JAMSTEC
2016
Assistant Executive Director, JAMSTEC
2019
Director-General, Research Institute for Global Change, JAMSTEC
2021
Executive Director, JAMSTEC
2023
General Project Manager, General Project Team, Key and Advanced Technology R&D through Cross Community Collaboration Program, JAMSTEC