Data & Analytics should be focused on solving a business problem as best expressed by Line of Business stakeholders. This requires curiosity around business issues, questioning skills, communication skills and negotiation skills (balancing the importance of the business question, available budget, available supporting data etc…)
Data & Analytics is about actionable insight. In other words, success is about action enabled by data insights, basically, change in the way an organisation does its business and makes decisions even at a very small scale. Change needs to be anticipated and prepared for to cover both hard and soft components (emotion, resistance to change etc).
Data Science related skills
Data Engineering / Data Transformation / Data Modelling. Of course, a Data Analytics team need to provide core Data Science capability be it in the engineering, preparation of data (effectively being able to bring together all different data sources together and address data related issues linked to these sources) and the right data modelling capabilities in both Business Intelligence and Advanced Analytics.