Tan Sri Leong Hoy Kum is the founder and group managing director of Mah Sing Group, one of the leading property developers today. At the age of 22, he took over from his father and transformed the company, originally a plastics trading firm, into the giant it is today with his creative drive and strategic risk-taking, which has been instrumental in its success. In 2021, he received the Fiabci Property Man of the Year award for his contributions to the industry.

Mah Sing Group has a diverse portfolio of residential, commercial and industrial properties. The company has completed over 200 projects and has a presence in Malaysia, Singapore, and Australia. Apart from high-rise residential units, the group plans to prioritise building more affordable homes in future development projects.

On the personal front, he is married to Puan Sri Sulvian Leong and has three children who are all involved in the family business.