1.Fraud is a major concern for financial institutions. With the growth in big data and analytical tools, it is now possible for financial institutions to keep track of frauds. In the case of Danske Bank, the deep learning process relies on cross-functional collaboration with data scientists/engineers, IT professionals, bank representatives and others. According to the content of our course, these people play what roles in data analytics, and what specific duties do they need to carry out, respectively, and how these roles collaborate together to better detect fraud transactions?