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Cross-training staff has long been viewed as a useful way to train future managers. Today, the practice has moved beyond managerial candidates to all levels, and there are good reasons behind this change.
In the past, up-and-coming talent spent time in every aspect of their business and had to demonstrate a base level of proficiency before they could move into leadership roles. The theory behind this traditional approach was that managers who better knew the inner workings of the business would be better prepared to lead. Over time, this method fell out of favor.
Recently, the practice has been revived
