- April 1989
- Bain & Company Japan Inc.
- February 1998
- Planning Senior Director, Disney Store Japan Ltd.
(Currently: The Walt Disney Company (Japan) Ltd.)
- February 1999
- Senior Finance Director, Disney Store Japan Ltd.
(Currently: The Walt Disney Company (Japan) Ltd.)
- March 2001
- Director and CFO, GE Plastics Japan Ltd.
- April 2004
- Product Director, Janssen Pharmaceuticals Inc. (Currently: Ortho Neurologics Inc.) (USA)
- September 2005
- General Manager, Gastroenterology, Pain and OTC Business Division,
Janssen-Cilag Pty Ltd. (Australia)
- January 2007
- Deputy General Manager, Marketing Headquarters, Janssen Pharmaceutical K.K.
- August 2009
- Director and Vice President, Global Marketing, Stryker Japan K.K.
- January 2012
- President, Stryker Japan K.K.
- March 2013
- General Manager, Senior Corporative Officer and President's Office
(concurrent assignment as) Head of Accounting and Finance Headquarters,
BELLSYSTEM24, Inc.
- March 2014
- President, AbbVie GK
- July 2014
- External Director, Nippon Ski Resort Development, Co., Ltd.
- February 2015
- Chief Operating Officer, Shikikuukai Medical Corporation
- April 2015
- Professor, Kenichi Ohmae Graduate School of Business (incumbent)
- March 2016
- External Director, Cookpad Inc.
- June 2016
- External Director, T-Gaia Corporation (incumbent)
- August 2017
- Vice President, Shikikuukai Medical Corporation
- June 2019
- External Director, NHK Technologies, Inc.
- January 2020
- External Director, Heartseed Inc. (incumbent)
- June 2021
- External Director, PHC Holdings Corporation
- September 2022
- Vice Director, Doya Rehabilitation and Orthopedic Clinic
- April 2024
- President/CEO and Representative Director of PHC Holdings Corporation (incumbent)