Dr. David Stein
Founder and Director
Dr. David Stein, Psy.D. is a developmental neuropsychologist with extensive experience in the assessment of children, adolescents, and adults. He has held clinical and academic appointments at Boston Children’s Hospital and Harvard Medical School. Dr. Stein is the Founder and Director of New England Neurodevelopment and President of the Massachusetts Neuropsychological Society (MNS).
Dr. Stein earned his undergraduate degree from Tufts University and his doctorate from William James College. He completed clinical training through Harvard Medical School at Cambridge Hospital and Boston Children’s Hospital, followed by two years of supervised practice in clinical neuropsychology. He also pursued advanced continuing education in human neuroanatomy at Marquette University, deepening his expertise in brain structure and function.
While at Boston Children’s Hospital, Dr. Stein served as Director of Quality Improvement for the assessment practice. He has built and maintains his own practice around these quality improvement principles.
Dr. Stein collaborates with medical and mental health professionals, independent and public schools, and educational institutions to provide evidence-based recommendations that are integrated into academic and treatment settings.
Dr. Stein lives in Needham with his wife and two daughters. He enjoys fitness, playing guitar, and spending time with his family.

Education/Training
Fellowship
Harvard Medical School, Boston Children's Hospital 2010
Internship
Harvard Medical School, The Cambridge Hospital 2008
Psy.D.
William James College 2008
B.A.
Tufts University, with High Honors 2002
Experience
2016-Present
Founder & Director, New England Neurodevelopment, LLC
2010-2016
Instructor, Harvard Medical School
2010-2016
Attending Psychologist, Boston Children's Hospital
Memberships
Massachusetts Neuropsychological Society
Society for Clinical Neuropsychology (APA Div 40)
American Psychological Association (APA)
Honors
2026
President, Massachusetts Neuropsychological Society (MNS)
2023
Board of Directors, Learning Prep School
2015
Mintz Award for Distinguished Alumni, William James College
2012
Certificate in Applied Biostatistics
Harvard Clinical and Translational Research Center (CATALYST)
2009-2010
Leadership Education in Neurodevelopment and Related Disorders (LEND) Fellow, Children's Hospital Boston/Harvard Medical School
2002
Magna Cum Laude, Tufts University
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Dr. Kristina Ruggeri
Postdoctoral Fellow in Developmental Neuropsychology
Dr. Kristina Ruggeri, PhD, NCSP is a Postdoctoral Fellow and Nationally Certified School Psychologist (NCSP) specializing in neuropsychological and psychological evaluations for children and adolescents with complex neurodevelopmental and psychiatric profiles. She has extensive clinical experience across schools, outpatient clinics, and hospital settings.
Dr. Ruggeri earned her PhD in School Psychology from the University of Massachusetts Boston and completed her APA-accredited doctoral internship at Franciscan Children’s Hospital (an affiliate of Boston Children’s Hospital), where she conducted comprehensive assessments and provided inpatient psychiatric care. She holds a Master’s and CAGS in School Psychology from Northeastern University, with advanced clinical training from New England Neurodevelopment and various neuropsychological clinics.
Prior to her doctoral training, Dr. Ruggeri practiced as a school psychologist and special education evaluation team chair, developing expertise in educational advocacy, school-based resources, and multidisciplinary collaboration. Her research focuses on centering participant voice in care and building accessible, community-based resources for families.

Bethany Colavincenzo, Ed.M.
Director of Educational Services
Bethany Colavincenzo, Ed.M. is the Director of Educational Services with expertise in assessment of learning and neurodevelopmental disorders. She is a former classroom teacher who, after receiving her master’s degree in education, served as an Educational Specialist in the Developmental Medicine Center at Children's Hospital Boston for three years. Bethany has worked with children and adolescents as a tutor and organizational aide, and she spent two years working on educational reform and policy for a child advocacy non-profit in Washington D.C. She also maintained a private practice for educational consulting and assessment prior to joining New England Neurodevelopment.
Bethany has significant experience in assessment of children with ADHD, learning disabilities, autism, and medical and genetic disorders. She holds a B.S. in Psychology from Duke University and a Master's in Education from the Harvard Graduate School of Education, where she was the recipient of the merit-based Leadership in Education Award.
Contact Bethany by email by clicking here.
Education/Training
B.S.
Duke University 2003
Ed.M.
Harvard Graduate School of Education 2008
Honors
Leadership in Education Award
Harvard Graduate School of Ed.

Vanessa Kennedy, M.S.
Administrative Coordinator
Vanessa is the Administrative Coordinator for New England Neurodevelopment and often the first point of contact for families. With a background in public health, youth services, and program management, Vanessa is dedicated to making every interaction warm, welcoming, and supportive. She guides families through the intake process, answers questions, and ensures a positive experience from the very first call. Vanessa holds a B.S. and M.S. from Merrimack College and an Executive Coaching Certification from the Institute for Nonprofit Practice. As a parent herself, she understands the challenges families face and is honored to help them find answers and support.

Haley Wynn, MA
Haley Wynn, MA is a testing assistant at NEN and a fifth year clinical psychology doctoral student at William James College. She earned her master’s degree in psychology in the spring of 2024, and will earn her doctoral degree in 2027 with a specialty in neuropsychology. Throughout her graduate training, she has completed several practica in neuropsychology through Harvard Medical School, including placements at Beth Israel Deaconess Medical Center and Massachusetts General Hospital. Along with her work at NEN, Haley performs neuropsychological evaluations and cognitive rehabilitation training at Brigham and Women’s Hospital in the Center for Brain/Mind Medicine as an advanced doctoral trainee. She has extensive research and clinical experience with neurodevelopmental disorders, including ADHD, learning disabilities, autism spectrum disorder, nonverbal learning disabilities, and psychotic disorders. She also has experience with complex medical conditions that can impact development, including epilepsy and autoimmune conditions. As a neuropsychologist, she hopes to serve as a support for individuals and families across the lifespan, particularly for individuals in the transition from childhood to young adulthood. Prior to graduate school, Haley earned her B.S. in Communication Disorders and Psychology from University of Massachusetts, Amherst. She also worked for several years with children and adolescents diagnosed with ADHD and ASD in therapeutic and research settings.

Jacqueline Osborn, M.Ed.
Jacqueline Osborn, M.Ed., is a testing assistant at NEN and a fourth year School Psychology Doctoral student at the University of Massachusetts Boston. She graduated from Tulane University with a Bachelor of Science in Psychology. During graduate school, Jacqueline has completed two school based practicum placements in Boston Public Schools. Next year, she will be working at The Home for Little Wanderers providing community-based counseling and assessment services. Jacqueline plays an active role in multiple research labs which focus on equity and community-based resources for behavioral health services. She hopes to support clients and families through individualized neuropsychological evaluations at NEN.
