Hong Kong Exchanges and Clearing Limited (HKEX) announced that Mr. Tai Chi Kin, Calvin will retire on 31 May 2022 and will step down from all his positions held within the HKEX group. These include the Chief Operating Officer of HKEX Mr. Yiu Ka Yan, Wilfred and Mr. John Leo Buckley will be appointed as Co-Chief Operating Officers of HKEX, in addition to their current roles and responsibilities of Co-Head of Markets and Head of Exchange Operations and Transformation respectively of HKEX. Mr. Yiu has over 25 years' experience in the international capital markets. He joined HKEX in April 2019 and is currently Co-Head of Markets of HKEX. He is responsible for HKEX's products lines and services across asset class, including its customer engagement, product development and market structure initiatives. Prior to joining HKEX, he was Deputy Chief Executive Officer and Chief Operating Officer of Beijing Gao Hua Securities Company Limited. Prior to this, Mr. Yiu was Managing Director, FICC (fixed income, currency and commodities) at Goldman Sachs in Hong Kong. Mr. Yiu has been a member of the Securities Compensation Fund Committee of the SFC since 2020. Mr. Buckley has nearly 30 years' experience in financial services and capital markets. He joined HKEX as Head of Exchange Operations and Transformation in November 2021 and is responsible for all of HKEX's exchange operations. Prior to joining HKEX, he was Chief Operating Officer, Asia of Citadel Enterprise Asia Limited from 2018 to 2021. He held a number of senior positions with J.P. Morgan from 2013 to 2018, including as Chief Risk Officer, Asia Pacific; and Chief Financial Officer, Asia Pacific.