Mrs Koh was appointed an Independent Director on 31 May 2019 and was last re-elected on 6 May 2020. She is Chairperson of the Remuneration Committee and a member of the Audit & Risk Committee.

She is a Director of HSBC Bank (Singapore) Limited, Manulife US Real Estate Management Pte Ltd, BC Platforms AG, Switzerland, and The Red Pencil Singapore. She is also a member of the Advisory Board, Centre for Emerging Markets, D’Amore-McKim School of Business at Northeastern University, and a Senior Advisor to TVM Capital Healthcare Partners.

Mrs Koh was CEO and Executive Director of IP Investment Management, Singapore, from 2016 to 2018. Prior to this, she was Deputy CEO of SingHealth from 2001 to 2008, and concurrently Deputy CEO of Singapore General Hospital from 2003 to 2008. She started her career at the Singapore Ministry of Finance, which included postings at the Inland Revenue and the Monetary Authority of Singapore. Mrs Koh previously served as a Director of Singapore Deposit Insurance Corporation Ltd, Singapore EDB Investments and Falck, Denmark. She was also a Corporator of Northeastern University.

Mrs Koh holds a Bachelor of Arts (Honours) in Economics from Cambridge University and a Master of Public Administration and International Tax Program (Certificate) from Harvard University.