He has been representing children with special needs and their parents since 1997. He has participated in over 1,000 IEP meetings in 24 different school systems. He has been lead counsel in more than 200 special education mediations and due process hearings and has appeared in federal district courts as well as the DC Circuit and 4th Circuit Courts of Appeals. In 2003, Brian was admitted to the bar of the United States Supreme Court. He is a frequent speaker in professional and academic circles and is an active member of the American Bar Association, Council for Exceptional Children (CEC), Learning Disabilities Association (LDA), and Council of Parents, Attorneys and Advocates (COPAA).