Dr. Richard M. Cash is an award-winning educator and author best known for his work in differentiation and advanced learners. His range of experience includes teaching, curriculum coordination, and program administration. Currently, he is a widely respected education consultant with nRich Educational Consulting, Inc. His consulting work has taken him throughout the United States, and internationally. His areas of expertise are educational programming, rigorous and challenging curriculum design, differentiated instruction, 21st-century skills, brain-compatible classrooms, gifted & talented education, and self-regulated learning. Dr. Cash authored the books on differentiation, gifted learners, and self-regulation for learning.