Billionaire Peter Lim’s Thomson Medical appoints new acting CEO for Singapore business

Cassandra Loh, 36, has been appointed acting CEO of Thomson Medical Singapore, effective Jul. 1, 2026, in addition to her current role as chief commercial officer, according to the Singapore-listed group’s stock exchange filings.

The current CEO, 56-year-old Lee Suen Ming, will resign after nearly three years in the role to “pursue personal interests,” the firm said in the filings. The effective date of cessation is Aug. 31.

“The leadership transition comes as Thomson Medical Singapore moves into the next phase of its transformation, following the foundational work initiated in 2022,” it said.

Cassandra Loh, chief commercial officer of Thomson Medical Singapore. Photo from the company’s website

Thomson’s Singapore business includes the 187-bed Thomson Medical Centre and nearly 40 specialist medical clinics and facilities.

The group also has operations in Malaysia and Vietnam. Last year, it unveiled the Johor Bay project, which will be built on a 26-acre (10.52-hectare) waterfront site in Johor and is expected to be worth more than RM18 billion (US$4.3 billion).

Peter Lim and his wife Cherie Lim before the La Liga match between Valencia CF and Sevilla FC at Mestalla Stadium on Dec. 8, 2018. Photo by AFP

Peter Lim and his wife Cherie Lim before the La Liga match between Valencia CF and Sevilla FC at Mestalla Stadium on Dec. 8, 2018. Photo by AFP

Lim, 71, is a self-made billionaire who amassed his first fortune as a stockbroker and earned the moniker of the “remisier king” of Singapore in the 1980s before turning to private investment.

He was ranked 32nd on Forbes‘ Singapore rich list last September with an estimated wealth of $1.8 billion. He also owns Spanish football club Valencia.

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