Beverly Carbaugh, EdD, specializes in school- and district-level leadership. She is co-author of white papers and the district leadership model with Dr. Robert J. Marzano. Before joining Learning Sciences International, she was deputy superintendent of the School District of Osceola County in Florida. Dr. Carbaugh began her career in 1979 as a teacher and served as principal of Mintz Elementary and Tomlin Middle School and as charter principal of Colleen Lunsford Bevis Elementary School, a National Blue Ribbon School. Robert J. Marzano, PhD, is a nationally recognized education researcher, speaker, trainer, and author of more than 30 books and 150 articles on topics such as instruction, assessment, writing and implementing standards, cognition, effective leadership, and school intervention. His practical translations of the most current research and theory into classroom strategies are widely practiced internationally by both teachers and administrators. Michael D. Toth is founder and Chief Executive Officer and Chief Learning Officer of Learning Sciences International, iObservation, and Learning Sciences Marzano Center for Teacher and Leader Evaluation. Formerly the president of the National Center for the Profession of Teaching, a university faculty member, and director of research and development grants, Mr. Toth transformed his university research and development team into a company that is focused on leadership and teacher professional growth and instructional effectiveness correlated to student achievement gains.