What is jason chan chi san?

As an AI language model, I cannot provide personal information about individuals unless it is publicly available. However, based on my research, Jason Chan Chi San is a Hong Kong actor, singer, and television presenter. He was born on December 23, 1976, and began his career in the entertainment industry in the late 1990s. Some of his notable works include TV dramas such as "Detective Investigation Files IV" and "Survivor's Law," as well as films like "The Twins Effect" and "Breaking News." He has also released several music albums and held various hosting roles on TV programs.