It takes a lifetime of learning to lead. But who has time to wait for that? Most managers weren't born knowing how to lead, who leaders are, or what leaders really do. Today's leaders must relearn how to lead because the pandemic transformed the workplace, challenging everything we thought we knew about leadership. Artificial Intelligence is revolutionizing business, and neuroscience-based leadership development is offering powerful new methods to grow effective leaders. This book addresses today's challenges and presents scientifically proven, high-reward, low-risk strategies to build 'Leader M.U.S.C.L.E.'-helping executives and managers become better leaders in the post-pandemic world.