Our Team

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Nathan Doty PhD

Dr. Doty is a licensed child psychologist with expertise in the assessment of neurological, developmental, learning, and emotional difficulties from early childhood through young adulthood. His areas of specialty include learning disorders, ADHD, autism spectrum disorders, mood/anxiety disorders, and acquired brain injury.

Dr. Doty received a bachelor's degree from Stanford University before completing his graduate work in Child and Family Clinical Psychology at the University of Miami. He completed his pre-doctoral internship at The Children’s Hospital of Philadelphia, followed by a two-year postdoctoral fellowship in neuropsychology at the Massachusetts General Hospital and Harvard Medical School.

Before co-founding Achieve New England in 2016, he served as a staff psychologist and research coordinator within the Learning and Emotional Assessment Program at the Massachusetts General Hospital (LEAP), providing teaching and clinical supervision through his joint appointment at Harvard Medical School. Dr. Doty's work has been published in prominent scientific journals, including the American Journal of Psychology, the Journal of Youth and Adolescence, the Journal of the International Neuropsychological Society, and Parenting: Science and Practice. He authored two chapters for the Massachusetts General Hospital Guide to Learning Disabilities. Dr. Doty currently serves as President of the Board of Directors for the International Dyslexia Association, Massachusetts Branch.

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Brian Willoughby PhD

Dr. Willoughby is a licensed child clinical psychologist specializing in neuropsychological, educational, and developmental evaluations. His areas of expertise include learning disabilities, attention and executive functioning concerns, autism spectrum disorders and other neurodevelopmental conditions, as well as anxiety and mood disorders.

Dr. Willoughby is co-founder and co-director of Achieve New England. Previously, he was a faculty member in the Department of Psychiatry at the Massachusetts General Hospital and Harvard Medical School. Dr. Willoughby completed his graduate work in the Child and Family Clinical Psychology Program at the University of Miami, and his pre-doctoral internship and fellowship in child clinical psychology at the Massachusetts General Hospital and Harvard Medical School.


Dr. Willoughby is also an established researcher, author, and speaker in the fields of child and family psychology. His work has been published in some of the nation’s top psychology journals, and he speaks frequently at national and international conferences. He is the associate editor of The SAGE Encyclopedia of Intellectual and Developmental Disorders and the co-author of Bright Kids Who Can’t Keep Up, a book for parents.

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Julie Weieneth PhD


Dr. Weieneth is a licensed clinical psychologist with expertise in the assessment of developmental, learning, and social-emotional challenges in children and adolescents. Her areas of specialty include ADHD, Autism Spectrum Disorders, Anxiety, Mood Disorders, Executive Functioning, and school-related challenges.

Dr. Weieneth received her Ph.D. in clinical psychology with a child and family concentration from the University of Massachusetts, Amherst. Her research interests focus on the assessment of ADHD and disruptive behavior disorders in early childhood, and she has published in several prominent journals, including the Journal of Educational Psychology, the Journal of Abnormal Child Psychology, and the Journal of Clinical Child and Adolescent Psychology.

Dr. Weieneth gained specialized clinical and assessment training through her predoctoral internship at the University of Massachusetts Medical Center/Worcester State Hospital and postdoctoral fellowship at the Developmental Medicine Center, Children’s Hospital Boston/Harvard Medical School. She also has extensive experience with IEP development, teacher consultation, counseling, and assessment in school settings. Prior to joining Achieve New England, Dr. Weieneth served for the last fourteen years as a staff psychologist in therapeutic school settings, including the Manville School in Boston and the New England Academy in Beverly.

Nora Portillo BA

Nora is the practice coordinator for Achieve New England. She is currently pursuing her doctorate in Clinical Psychology at Montclair State University. She obtained a Bachelor's degree in Psychology from the University of Massachusetts Boston. Prior to joining the team at Achieve New England, Nora served as project coordinator for the ABCD Early Screening Project at UMASS Boston. Nora's research and clinical interests focus on mental health disparities, experiences of discrimination, and the development of culturally sensitive interventions for youth.