It is a healthy practice to shift from a university/ academic environment to industry and vice-versa. I endorse that.
But in what role you fit into corporate sector depends on what you were teaching (MBA is a vast area, your expertise has to be specific). If, however, this switch over is out of frustration, you need to be cautious. In your present work environment, pressures may not be many, but in industry it is a high tension job, focused on delivery of performance. You may be teaching concepts like KRAs & KPIs, but here you will be required to meet your own KRAs. And if you are used to a relaxed schedule, it may not be available any more.
Please review your decisions in the light of above discussion, which is not to scare you, but to introduce you to the realities of 'performance driven work culture' in industry.