On-the-job experience can be a powerfully transformative tool for professional growth—in fact, research indicates it may be the primary vehicle for learning critical leadership skills. Toward that end, many companies groom their high-potential managers through "stretch" assignments and other developmental experiences. Russell discusses the latest research, uncovering who might benefit most from these experiences and how best to use them in your own organization to build your bench strength and keep high potential employees on the road to success.