Lyn Rees, Stephen Little, Keng Hsu

Lyn Rees has become CEO of Premaitha Health, replacing Stephen Little, who is now the company's executive vice chairman. Rees joins Premaitha from BBI Group, where he was most recently CEO.

In addition, Keng Hsu has become Premaitha's chief operating officer for Asia. He used to be CFO of Yourgene Bioscience, which Premaitha acquired last year.

Furthermore, Alan Chang has stepped down as non-executive director of Premaitha to focus on other business interests.