Kathleen Nadeau, Ph.D., is director of the Chesapeake ADHD Center of Maryland in Silver Spring. She is a psychologist who has practiced for over thirty years, specializing in the diagnosis and treatment of ADHD. She has served on the professional advisory boards of both CHADD and ADDA. She is the co-founder of the National Center for Gender Issues in ADHD, a non-profit organization dedicated to serving the needs of girls and women with ADHD. Dr. Nadeau has appeared on the Today Show, the Morning Show, as well as on numerous radio programs is a frequent lecturer both in the US and abroad on topics related to ADHD.