Managers are required to have different skills and mindset in order to be successful nowadays. Business schools around the world contributed to the standardisation of knowledge and practices in the managerial environment, with MBA programmes being a must in every leader's curriculum. However, times are changing rapidly, and traditional knowledge around accounting or strategy models and tools need to be updated to consider the innovation brought in by technology. Concepts related to data, such as data science and big data, have intrigued a huge number of people around the world. Numbers are said to be an extensive source of knowledge, invaluable to those who want to improve processes, experiences, and efficiency in general. In this chapter, the authors discuss the new skills managers should learn to try have a better understanding of the subjects, fields, or abilities recruiters are looking for. Thus, we should still read this required expertise in conjunction with other soft skills linked to emotional intelligence and leadership techniques.