Tan Chee Keong, Roy: Appointed group managing director and executive director with effect from Oct 19.
Mr Tan, 46, has been the group's chief financial officer since 2015 and was group chief strategy officer before that.
Koh Bai Yau: Resigned as chief operating officer of the offshore support vessels division with effect from last Wednesday.
Mr Koh, 45, was previously responsible for chartering operations at Avance Tide Offshore Marine.
Ho Kiam Kheong: Left as executive director and managing director of real estate last Thursday.
Mr Ho, 55, is off to pursue personal interests. He has also left his post as chief executive of Malaysia's Vantage Bay JB.
Tan Wee Tuck: Appointed chief executive last Monday.
Mr Tan, 48, will continue as interim chief financial officer. He was previously vice-president of business development and partnerships for CNBC Asia Pacific.
Kitchen Culture Holdings
Lee Foo Tuck: Appointed financial controller last Tuesday.
Mr Lee, 62, was until March the president of Keppel Philippines Properties.
China Taisan Technology Group Holdings
Sri Tjintawati Hartanto: Resigned as chief financial officer effective last Tuesday.
Ms Hartanto, 55, has left to pursue other interests.