Charlotte Danielson has taught at all levels, from kindergarten through college, and has worked as an administrator, a curriculum director, and a staff developer. In her consulting work, Danielson specializes in teacher quality and evaluation, curriculum planning, performance assessment, and professional development. She is the author of Enhancing Professional Practice (2007), Teaching for Understanding (1996), Teacher Evaluation to Enhance Professional Practice (2000), Enhancing Student Achievement (2002), and Strengthening the Profession Through Teacher Leadership (2006), all published by ASCD. In addition, she has written several Collections of Performance Tasks and Rubrics, published by Eye on Education.