Keiko Unotoro joined the Japan Fair Trade Commission (JFTC) in 1977. Appointed Chief Hearing Examiner in 2000, Director General, Trade Practices Department, General Secretariat in 2007, Senior Deputy Secretary, General Secretariat in 2008, Director General, Economic Affairs Bureau in 2011 at JFTC.
She has engaged as a Part-time Lecturer, Senshu University Graduate School since 2000, Advisor of Oh-Ebashi LPC & Partners since 2012, Specially Appointed Professor of Toyo Gakuen University and Outside Director of OS Co.,Ltd., Outside Director of San-ai Obbli Co.,Ltd. since 2019, Outside Director of Ohba Co.,Ltd. since 2020, Commissioner of Public Security Examination Commission since 2021, and Advisor, T&K Partners since 2024.
She became an Outside Director of the Board of Frontier Management Inc. in 2021.
She also was a Professor, Faculty of Business Administration, Toyo Gakuen University, Outside Director of Olympus Corporation, Outside and Director of Bridgestone Corporation.