He is also a visiting professor in the Dept. of Special Education at George Washington University and the Dept. of Languages and Communication Disorders at the University of the District of Columbia. Dr. Lucker also has a long standing private practice specializing in assessment and planning for children, adolescents and adults with auditory information processing disorders (APD) and language processing disorders throughout the greater metro DC area. He is also affiliated as a professional consultant with private practices in Long Island, NY and Charlotte, NC.