Most important & underrated skill would be communication skills. Talking, writing, listening and explaining.
Certification & educations are important but it has no meaning if a person cant explain in interview, meeting or while leading a team. Communication skill is above all education, certifications & experience. By mastering this skill you will not only grow your career but also take it to new levels.
If you are an accountant then try explaining depreciation to someone, if you are a web developer then explain how it works and so on. Communications skills also require constant practice to keep a great quality.
Career & business growth require all 3 components, Certification, education & communication skills. All great leaders are great communicators, challenge yourself to become one.
