Thomas R. Guskey, Ph.D., is Professor of Educational Psychology at the University of Kentucky. A graduate of the University of Chicago, he began his career as a middle school teacher, served as an administrator in Chicago Public Schools, and was the first Director of the Center for the Improvement of Teaching and Learning, a national educational research center. Dr. Guskey served on the Policy Research Team of the National Commission on Teaching & America's Future, on the Task Force to develop the National Standards for Staff Development, and was named a Fellow in the American Educational Research Association – one of the Association's highest honors. He is the author/editor of 21 award-winning books and more than 250 book chapters and articles that have appeared in prominent research journals as well as Educational Leadership, Kappan, and School Administrator. He co-edited the Experts in Assessment Series for Corwin Press and was featured on the National Public Radio programs "Talk of the Nation" and "Morning Edition." His most recent books include: On Your Mark: Challenging the Conventions of Grading and Reporting (2015); Reaching the Highest Standard in Professional Learning: Data (with P. Roy & V. VonFrank, 2014); Answers to Essential Questions about Standards, Assessments, Grading, and Reporting (with L. Jung, 2013), Benjamin S. Bloom: Portraits of an Educator (2nd ed., 2012), Developing Standards-Based Report Cards (with J. Bailey, 2010), Practical Solutions for Serious Problems in Standards-Based Grading (Ed., 2009), The Principal as Assessment Leader (Ed., 2009), and The Teacher as Assessment Leader (Ed., 2009). In his work with educators throughout the world, he helps bring clarity and resolution to some of education's most challenging problems.