David worked as a school psychologist for 28 years at the elementary, middle, and high school levels and has done over 1,000 evaluations of students with reading difficulties and disabilities. He has been teaching courses on learning disabilities and educational psychology for 22 years. David is the author of Essentials of Assessing, Preventing and Overcoming Reading Difficulties (Wiley & Sons, 2015) and Equipped for Reading Success (Casey & Kirsch, 2016).