Business Leadership skills is not a characteristic of a data scientist. A data scientist should have strong knowledge of analytics to enhance customer engagement, automation resulting in cost optimization, or business process optimization saving time and labor. A data scientist needs to have a strong business acumen to understand the business's needs and develop analytics to achieve the objectives but no need for business leadership skills.
If you are looking for an online course to learn Data Science, then check out this Data Science Course by Intellipaat.
Also, watch this video on Data Science for more information: