Develop Winning Managers—the Heart of the Team. Frontline managers are an organization's first level of management: the 'people managers' across its business operations and functions. Developing frontline managers is key to an organization's overall health and prosperity. The latest book in ATD's successful Workshop Series, Management Development Training offers trainers of all expertise levels the tools and strategies necessary for delivering powerful professional development training for frontline managers. Through Management Development Training, training facilitators can apply ATD's research-based ACCEL Model—a management framework that includes five core skills necessary for managerial success (accountability, collaboration, communication, engagement, and listening and assessing)—to take new and experienced managers beyond their roles as the centers of their teams to the powerful roles as the hearts of their teams. This workshop volume demonstrates how the development of these