Final answer:
All of the above competencies, including technical expertise, emotional intelligence, and strategic vision, are characteristics of effective leaders.
Step-by-step explanation:
According to recent writing on the subject, all of the above competencies are characteristics of effective leaders. Effective leaders need technical expertise to understand their industry or field, emotional intelligence to effectively communicate and relate to others, and strategic vision to guide their organization towards success.
For example, a leader with technical expertise can provide valuable guidance and mentorship to their team members, while a leader with emotional intelligence can build strong relationships and foster a positive work environment.