Kathleen Nadeau, Ph.D. is founder and director of The Chesapeake Center in Bethesda, Md. She is an internationally recognized authority on ADHD in girls and women. She is the coauthor of two groundbreaking books on females with ADHD: Understanding Girls with ADHD and Understanding Women with ADHD. Currently, she is developing a teacher questionnaire to help teachers better identify girls with ADHD in the classroom.