Kathleen Nadeau has been a thought leader in the field of ADHD for many decades. A clinical psychologist, she founded and developed one of the largest private ADHD specialty clinics in the US with a multidisciplinary team of providers. She has written more than a dozen books related to ADHD and is the recipient of CHADD's Hall of Fame Award in 1999 for her ground-breaking work on girls and women with ADHD as well as the recipient of CHADD's Lifetime Achievement Award in 2025. She is currently developing an online ADHD training institute - the Nadeau ADHD Learning Lab -that will provide learning opportunities for those that treat ADHD as well as those that live with it.