What leadership roles and responsibilities are most important for planning and priorities in data governance?

Given today’s work environment, particularly with professions dealing with data governance, discuss how a leader’s planning and prioritization can help achieve data security and protect privacy using a data governance plan. What leadership roles and responsibilities are most important for planning and priorities in data governance? How do you decide what is a higher priority for data security and privacy? What level of support is needed for successful data governance, and how do planning and prioritization help achieve that?