Lau Sin-feng uses the english name Alvin. Born, in 1951 of a chinese father and english mother, and raised in Hong Kong, this middle age stock broker seems to be a respectable family man. He is not the smartest or fastest trader, but he is doing much better for himself than the usual stock broker. This is because he is currently the sole employee of the Hong Kong branch of Catai stock trading and financial services.

He and Alastar Mac Caoileann briefly met in 1972, during the establishment of the Kowloon Stock Exchange. In early 1975, they met once more, where they discovered that they share a background in finance. By then, both had started trading on the Hong Kong Stock Exchange. Alastar met him again in the same year at a formal party, and fobbed an excuse for not being able to attend to the trade by day, and having to work through a proxy that simply executed his orders. Roughly half a year later, intrigued by the strong portfolio built up by Alastar, Sin-feng sought him out to learn from him.

After a lengthy to and fro where both men tried to get an idea of the plans and morality of the other, Alastar agreed to train Sin-Feng, conditional upon two things: he would not discuss what he learned with anyone else, and Sin-Feng had to prove his ruthlessness by arranging for his younger sister to give herself to Alastar. In the next 3 years Alastar trained him to be the ruthless proxy trader he now is. Since then, he has repeatedly proven himself to be a person of bendable morals, especially if there's money to be made.

Recently, in 1981, Lau Sin-feng received a call from Alastar that the Irishman was setting up shop for international trading, and that he wanted Sin-feng as his local man. As Sin-feng honed his own insight in the market as well over the years, the joint venture has made the two-man team a formidable force on the Hong Kong Stock Exchange.