Charlotte Danielson is an American educator and author best known for her work in teacher evaluation and professional development. She developed the Danielson Framework for Teaching, a widely used tool that outlines effective teaching practices and provides a structure for evaluating teacher performance. This framework emphasizes the importance of planning, instruction, and assessment in the classroom. Danielson's framework is utilized by many school districts across the United States to improve teaching quality and student learning outcomes. It encourages reflective practice among educators and supports their growth through feedback and collaboration. Her contributions have significantly influenced the field of education and teacher training.