The article discusses the significance of blended learning on developing professionals in the U.S. Accordingly, the typical definition of blended learning requires that participants do some prereading prior to attending a class, attend a live class, and participate in an on-the-job assignment. Blended learning include a variety of learning methods, from self-study materials such as job aids and books, to field trips and simulations, or on-the-job experiences with a mentor or a coach. One of the best blended learning offerings involved a large online business that offered off-the-shelf leadership development classes.