In the era of big data, colossal amount of data is being generated every day from channels including social media, consumer profile, global economy, etc. These complications of data require us not only to describe and understand the information, but more importantly, to reveal crucial information to facilitate the best course of action. While traditional data processing application software is incapacitated, the emergence of HKU Master of Data Science opens up a new frontier of high-performance analytics in this era of big data.