About Us

Naomi Davis, PhD

Dr. Davis is a licensed clinical psychologist at Duke University who specializes in developmental and behavioral disorders in children and adolescents. She has been the Director of Clinical Services and Training in the Duke ADHD Program since 2018. Dr. Davis’s clinical work focuses on empirically supported assessment and treatment of ADHD and co-occurring conditions. She also supervises psychology learners in their clinical training activities.

Dr. Davis’s research focuses on pediatric mental health, with a particular focus on early emergence of ADHD and non-pharmacological treatments. Her current work focuses on understanding the co-occurrence of ADHD and Autism Spectrum Disorder, with a specific interest in diagnostic clarification and early risk factors that are associated with emergence of both conditions. She also works on a number of projects associated with a federal service grant that provides education and consultation for pediatric providers to improve their ability to manage pediatric mental health conditions.

Dr. Davis completed her master’s in Child Development at Tufts University and her doctorate in clinical psychology at the University of Massachusetts Boston. She completed her pre-doctoral clinical internship and post-doctoral fellowship at the University of North Carolina Chapel Hill.

Rachel Dew, MD

Dr. Rachel Dew has practiced psychiatry at Duke University Medical Center and Lincoln Community Health Center for 13 years. She is board-certified in general psychiatry and child and adolescent psychiatry, and treats both children and adults.

Since coming to Duke, Dr. Dew has worked on over 70 research studies, the majority in the field of ADHD.  Her research focuses around pharmacotherapeutics for ADHD, as well as the intersection of religiosity with health in adolescents.  Clinically, Dr. Dew treats ADHD and other psychiatric disorders in patients across the age spectrum.  She provides clinical supervision to child and adolescent psychiatry fellows, general psychiatry residents, nurse practitioners, physician’s assistants, medical students, and nursing students.

Dr. Dew earned her medical degree at West Virginia University.  She completed training in general and child and adolescent psychiatry at Wake Forest University, before coming to Duke to complete a post-doctoral fellowship in religion/health research.

John Mitchell, PhD

Dr. John Mitchell is a licensed clinical psychologist who specializes in programs of research that include ADHD, as well as substance use and HIV prevention.

As a faculty member in the Duke ADHD Program, Dr. Mitchell conducts research, provides clinical services primarily to adults with ADHD, and supervises trainees. Dr. Mitchell’s research focuses on various aspects of ADHD, including developmental outcomes, assessment and treatment, and co-occurring substance use. He conducted the first controlled study of a mindfulness-based treatment program for adults with ADHD—the MAPs for ADHD Program—and in 2021 co-authored a treatment manual on this intervention. He has published over 70 peer-reviewed journal articles and book chapters.

Clinically, Dr. Mitchell specializes in empirically supported assessment and treatment of psychiatric disorders primarily in adulthood with a focus on ADHD in adulthood. He regularly provides training to clinicians on the assessment and treatment of ADHD in adulthood.

Dr. Mitchell completed his master’s and doctorate in clinical psychology at the University of North Carolina at Greensboro, his pre-doctoral clinical internship at Duke University Medical Center, and his post-doctoral fellowship at the Duke ADHD Program.

Jessica Lunsford-Avery, PhD

Dr. Jessica Lunsford-Avery is an Assistant Professor in the Department of Psychiatry and Behavioral Sciences at the Duke University School of Medicine. She received her undergraduate degree in Psychology from the University of Virginia and earned her Master’s and Doctorate degrees in Clinical Psychology from the University of Colorado Boulder. Dr. Lunsford-Avery completed her clinical internship at the Duke University Medical Center. Following internship, she joined the Duke ADHD Program faculty, where she engages in research, education, and clinical services.

Dr. Lunsford-Avery has published more than 30 scientific papers in peer-reviewed journals. Over the past 6 years, the National Institute of Mental Health and the Duke Institute for Brain Sciences have supported her research. Dr. Lunsford-Avery currently leads multiple studies investigating sleep and psychiatric health in youth, with a specific focus on individuals with ADHD. She is also a member of the American Professional Society of ADHD and Related Disorders, Society for Behavioral Sleep Medicine, International Pediatric Sleep Association, and Sleep Research Society, for which she has served as a standing member of the Scientific Review and Membership Committees. She serves on the editorial boards of Scientific Reports, Frontiers in Neuroscience – Sleep and Circadian Rhythms, and Sleep Advances, and has reviewed for more than 25 different peer reviewed journals. In 2020, she served as the guest editor of a special issue on Pediatric Sleep Disorders for Child and Adolescent Psychiatric Clinics of North America.

Dr. Lunsford-Avery is a licensed clinical psychologist and maintains a practice through the Duke ADHD Program’s outpatient clinic. Her research interests are in the areas of sleep disturbances and risk for, onset, and progression of behavioral and developmental disorders; associations between sleep and cognition and social performance; prevention and treatment of sleep problems; and leveraging mobile and digital health technologies to increase access to best-practice psychiatric care.

Maggie Sweitzer, PhD

Dr. Maggie Sweitzer is a licensed psychologist and Assistant Professor in the Department of Psychiatry and Behavioral Sciences at the Duke University School of Medicine. She completed her graduate training at the University of Pittsburgh, clinical internship at Allegheny General Hospital, and postdoctoral training at Duke. She has been a faculty member at Duke since 2015.

Dr. Sweitzer’s clinical work focuses on assessment and interventions for adults with ADHD and comorbid conditions, such as depression and anxiety, as well as providing supervision to residents learning cognitive behavioral therapy. She also has an interest in outreach across the health system to promote collaborative care and increase access to treatment for adults with ADHD.

As a faculty member, Dr. Sweitzer also maintains an active program of research, with a focus on addictive disorders, including tobacco use, particularly among individuals with comorbid conditions including ADHD and chronic pain. She has published over 30 peer-reviewed journal articles and has received research funding from the National Institute of Drug Abuse, the Duke Institute for Brain Sciences, and the Brain and Behavior Research Foundation.

Margaret Rose Bailey

Margaret Rose Bailey is a Volunteer with the Duke Center for Girls & Women with ADHD. 

She previously served as the first Graduate Intern with the Center in the summer of 2022 and has remained involved since. Margaret Rose received her Masters of Public Health from the UNC Gillings School of Global Health in May of 2023 and is pursuing a career related to her concentration of Health Equity, Social Justice & Human Rights. She also holds a Bachelor of Science in Education degree from the University of Tennessee, Knoxville. 

Margaret Rose has a passion for furthering equitable access to and quality of care for all, particularly with a focus on maternal and child health and mental health. She enjoys contributing to the Center’s mission to provide outreach, education, and research for the community of girls and women with ADHD and therefore advance health equity.

Lea Smith

Lea Smith is a community volunteer with the Duke Center for Girls and Women with ADHD. Lea is a Master of Arts in Mental Health Counseling candidate at the New York-Presbyterian Iona School of Health Sciences at Iona University.
Lea graduated from Fordham University with a Bachelor of Science in Computer Systems. Since graduation, she spent several years in the retail profession as a Supervisor and Customer Service Representative before returning to academia to pursue her passion for helping others.
Lea’s passion for helping those in need came from personal experience with pain and loss. As a future Mental Health Counselor, she plans to advocate for those who have been marginalized and bring awareness to the stigmas around mental health. Lea is thrilled to be part of an incredible organization like the Duke Center for Girls and Women with ADHD.

Gaelyn Dent

Gaelyn Dent is a Volunteer with the Duke Center for Girls & Women with ADHD since November 2022. She is currently a College Adviser with Duke College Advising Corps to increase college access for low-income, First-Generation College and underrepresented high school students.

Gaelyn graduated from Duke University in 2021 with a Bachelor of Arts in Neuroscience and a minor in Psychology. Since graduating, Gaelyn has dedicated herself to helping rural students and students with ADHD like herself navigate the academic and professional world. Gaelyn is excited to volunteer with the Duke Center for Girls & Women with ADHD, which shares her commitment to serving their communities.

Xiaoyu Zhang

Xiaoyu Zhang, also known as Giorgi, is a graduating student majoring in User Experience (UX) Design at the University of the Arts, London, United Kingdom.

Dedicated to the cause, she volunteers with the Duke Center for Girls & Women with ADHD, committed to raising awareness about ADHD in females and providing support.

With past experiences in developing websites and platforms for environmental conservation efforts and technology startups, she values the power of human-centered design and visual communication in creating better experiences for those in need of help.

As a UX designer, she strives to identify the hardships and challenges experienced by girls and women with ADHD, to inform the development of effective solutions through educational infographics or the use of creative technologies such as AI chatbots.

Xiaoyu is thrilled to be part of the Duke Center for Girls and Women with ADHD, where she finds inspiration in the organization’s mission and deeply values the supportive community it cultivates.