Data is an important tool which manages a lot of important activities in the business. And this is further enhanced by artificial intelligence and machine learning and by ease of collecting and storing data. Managers rely too much on data for the guidance which abdicates their knowledge and experience. In a big data project the manager connects the internal and external team to collect and process the data in order to solve the problem. Data must be in usable form and the algorithms must identify statistically significant patterns. The results are then presented to the manager through different visualizations. The main problem is the managers are not good with data science and the scientists are not good with the businesses.  Read more at: https://hbr.org/2017/06/the-best-approach-to-decision-making-combines-data-and-managers-expertise