John F. Eller, PhD, has served as director of the educational leadership doctoral program at St. Cloud State University, worked with educational leaders at Virginia Tech University, and developed teacher leaders in a master's program. He is a former principal, director of a principal's training center, and assistant superintendent for curriculum, learning, and staff development. Dr. Eller specializes in dealing with difficult people, building professional learning communities, employee evaluations, conferencing skills, coaching skills, strategic planning strategies, school improvement planning and implementation, differentiated instruction, leadership for differentiation, employee recruitment, selection, and induction, supervisory skills, and effective teaching strategies. He has written articles for Superintendents Only and is author of Effective Group Facilitation in Education: How to Energize Meetings and Manage Difficult Groups, and coauthor of Working With and Evaluating Difficult School Employees, So Now You're the Superintendent, and Energizing Staff Meetings and Creative Strategies to Improve School Culture. Dr. Eller earned a PhD in educational leadership and policy studies from Loyola University Chicago and an MS in educational leadership from the University of Nebraska Omaha.