Your professional experiences in the field will serve you well as you teach. Your examples and stories will help your students understand the context of the ideas they study, see connections, and they will make your class more engaging and effective. Your experiences will limit you, also. We all adapt to the culture in which we work and the training we receive; recognize those effects and avoid excessive focus on how you function outside the classroom. Further, recognized your field continues to emerge. Regardless of the level of expertise you have and the degrees you have earned, you cannot accurately predict what your students will need to know to be successful in their futures. This leads to an observation about effective teachers.
Effective teachers draw on the past and prepare for the future.