Charlotte Danielson is the founder and a board member of The Danielson Group. She began her career more than 50 years ago as a teacher in a 1st and 2nd grade classroom in Washington, DC. After 25 years as a teacher, curriculum director, staff development director, and assessment designer, she wrote the first edition of Enhancing Professional Practice. Danielson has published widely on the use of the Framework for Teaching and related aspects of the teaching profession and instructional practice.

A graduate of Cornell University (history), Oxford University (philosophy, politics, and economics) and Rutgers University (educational administration and supervision), she has taught kindergartners through university students and has worked as a curriculum director and staff development director.

Brian Johnson is the Executive Director of Learning Design and Delivery at The Danielson Group, where he leads the design and implementation of professional learning focused on teacher growth and instructional improvement. He wrote the quick reference guide Enhancing Your Teaching Practice.