In recent years, people outside the tech bubble start to realize how much their lives were impacted by data science. Uber, Siri, VR gaming and image recognition are all fueled by data science. However, it would be a stretch to say the data science is ‘mainstream’. Data Science is considered as an interdisciplinary field that influences both academic and applied areas by providing data-driven results. For instance, the internet marketing industry is one of the pioneers of data science techniques. Today we are glad to have a data scientist with abundant marketing background to share his understanding of data application in marketing and advertising field. He will talk about his major responsibilities, general career path, exit options and some recruiting tips.