As hyperscalers turn to light to transmit high volumes of data, optical testing firm Santec Holdings is reaping a windfall.
By Zinnia Lee
After a stint with the Royal Malaysia Police, Tan Boon Hock, who makes his debut in the ranks at No. 40 with $490 million, worked as an engineer then started his own electrical contracting firm in 1984.
By Phisanu Phromchanya