three years plus is definitely adequate considering you have had notable achievements, recognition or advancement. If you don't feel you can "do much more" in the subsequent year, you will likely obtain marginal credit from an adcom for another year--it's really all in what you do with it. "why b-school now" is an important question that schools generally want you to be able to answer convincingly, so I'd just work out my answer to that and get going on applications. Let us know if we can help.
Veritas Prep | Veritas Prep Admissions Consultant
Find the expert who’s right for you. Meet our team!
Veritas Prep Reviews