Hong Kong Exchanges & Clearing Ltd. appointed Lee Kwok Keung and Tai Chi Kin as co-COOs.

Lee and Tai will retain their current roles as head of markets and head of clearing, respectively, the company said June 1.

Trevor Spanner, COO and group risk officer, was appointed group chief information officer and head of information technology and platform development. Spanner will continue to work as group risk officer of the company in the interim until a suitable successor is appointed.