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John C. Daresh is professor of educational leadership at the University of Texas at El Paso. Over the years, he has held faculty or administrative appointments at the University of Cincinnati, The Ohio State University, the University of Northern Colorado, and Illinois State University.

Carol Ann Tomlinson‘s career as an educator includes 21 years as a public school teacher. She taught in high school, preschool, and middle school, and worked with heterogeneous classes as well as special classes for students identified as gifted and students with learning difficulties. Her public school career also included 12 years as a program administrator of special services for advanced and struggling learners. She was Virginia’s Teacher of the Year in 1974.

Dr. Linda Sheffield is a Regents Professor of Mathematics Education at Northern Kentucky University. She received her M. Ed. and Ph.D. in Mathematics Education from the University of Texas at Austin and her bachelor's degree from Iowa State University. She has written numerous books and articles for both teachers and students and has conducted seminars for teachers across the United States and as far away as Spain, Germany, England, Sicily, Japan, Australia, China, and Hungary.

Fenwick W. English (Ph.D.) is the R. Wendell Eaves Senior Distinguished Professor of Educational Leadership in the School of Education at the University of North Carolina at Chapel Hill, a position he has held since 2001. As a scholar/practitioner he has held positions as a school principal and superintendent of schools in California and New York and as a department chair, dean, and vice-chancellor of academic affairs at universities in Ohio and Indiana.

Jeffrey A. Kottler is one of the most prolific authors in the fields of counseling, psychotherapy, and education, having written more than 90 books about a wide range of subjects. He has authored a dozen texts for counselors and therapists that are used in universities around the world and a dozen books each for practicing therapists and educators.

Ellen Kottler, Ed.S., has been a teacher for over 30 years in public and private schools, alternative schools, adult education programs, and universities. She has worked in inner-city schools as well as in suburban and rural set­tings. She was a curriculum specialist in charge of secondary social studies and law-related education for one of the country’s largest school districts.

Jo Blase is a professor of educational administration at the University of Georgia, and a former public school teacher, high school and middle school principal, and director of staff development. She received a Ph.D. in educational administration, curriculum, and supervision in 1983 from the University of Colorado at Boulder, and her research has focused on instructional and transformational leadership, school reform, staff development, and principal-teacher relationships.

Barbara L.

Edie L. Holcomb is executive director of curriculum and instructional services for Kenosha Unified School District No. 1 in Kenosha, Wisconsin. She has experienced the challenges of improving student achievement from many perspectives:

Arthur L.  Costa, Ed.D., is an Emeritus Professor of Education at California State University, Sacramento.  He is Co-Founder of the Institute for Habits of Mind and Co-founder of the Center for Cognitive Coaching.

Bruce A. Marlowe

Robert D. Ramsey is a lifelong educator who has served as a "leader of leaders" in three award-winning school districts in two different states. His frontline experience includes positions a teacher, counselor, assistant principal, curriculum director, assistant superintendent, acting superintendent, and adjunct professor. Most recently, he has served as associate superintendent in the St.