Dr. Windu Gata is an internal trainer, IT consultant, and lecturer who has specialized in data science since 2008. The document discusses data science, including defining data and data warehousing. It explains that data science combines various fields like mathematics, programming, analytics, and machine learning to uncover insights from data to guide decision making. The CRISP-DM process for data mining is also summarized, which includes business understanding, data understanding, data preparation, modeling, evaluation, and deployment phases to build and assess models. Finally, common data mining techniques like regression, classification, association, and clustering are briefly explained.