Meet Our Team

Many use our services to provide answers to their questions about their struggles in school, home, work, or socially. Our team offers comprehensive consultations and assessments to identify strengths and weaknesses, to provide appropriate diagnoses, and to work with individuals implementing various treatment options in order to help them succeed. Our goal is to provide services to enhance healthy social and emotional functioning across the lifespan.

- Clinical Staff -

Richard D. Abbey, Ph.D.

Clinical neuropsychologist
Board certified in Neurofeedback
dr.richard.abbey@abbeyclinic.org

Dr. Richard Abbey is a licensed clinical neuropsychologist. He provides neuropsychological evaluations for children, adults, and seniors. He has written and published several articles and book chapters, and has lectured widely across the country on such topics as dyslexia, ADHD, Concussion, qEEG brain mapping, and neurofeedback.  He is also board certified in neurofeedback, and has consulted with the top experts in the field on a regular basis, including Joel Lubar, Ph.D., Robert Thatcher, Ph.D., and Nicholas Dogris, Ph.D. He specializes in diagnosis, assessment, and treatment of a variety of conditions, including learning disorders, ADHD, Autism spectrum, traumatic brain injury (concussion), and social communication disorder.  He provides early detection of aging related problems, including dementia and Alzheimer’s disease. He also specializes in other medical conditions including stroke, cancer and cancer treatments, epilepsy, and a wide range of rare conditions. Dr. Abbey has worked diligently to provide a wide array of intervention services for you, bringing the best specialists and latest technology to Palo Alto.  

Dr. Stephanie Abbey is a licensed psychologist. She provides therapy and works with a variety of concerns, including difficulties with relationships, life transitions, stress, anxiety, depression, body image, grief/loss, trauma, and sexual orientation. Dr. Abbey integrates issues of diversity and explores clients’ needs within the context of their race, ethnicity, gender, sexual orientation, and religious beliefs. She has experience working in university counseling centers, community mental health centers, inpatient hospitals, and residential treatment centers.

Stephanie C. Abbey, Ph.D.

licensed psychologist
drstephanieabbey@gmail.com

Diana M. Barrett, Ph.D.

licensed psychologist
director of assessment
dr.diana.barrett@abbeyclinic.org

Dr. Diana Barrett is our Director of Assessment and a licensed psychologist trained in the assessment, diagnosis, and treatment of learning disabilities, developmental disorders, autism spectrum, mood, eating disorders, and attention-deficit hyperactivity disorders, across the lifespan. She has worked with children as young as 3 years old and adults as young as 72! She completed her graduate work at the University of Montana where she specialized in child and family services. During her internship at the University of Utah Neuropsychiatric Institute, she worked with children, adolescents, and adults in both inpatient and day treatment settings. Finally, her post-doctorate training at Stanford University School of Medicine included evaluation and therapy services for children, adolescents, and families. Currently, she provides therapy, neuropsychological assessment, parent coaching, Executive Function coaching, interventions, and consultations.

Dr. Megan McConnell provides psychological assessment, therapy, and consultation for children, adolescents, and their families. She completed her doctoral training at McGill University in Montreal. She has conducted a range of clinical services at multiple training sites, which include Boston Medical Center and UCSF Benioff Children’s Hospital Oakland. Dr. McConnell has worked with clients struggling with depression, anxiety, ADHD, behavioral issues, mood disorders, learning disabilities, eating disorders, developmental disabilities such as Autism, medical issues, and those that have experienced trauma. She completed a research fellowship at Harvard, studying attachment, and has particular expertise in both assessing and treating parent-child relationship difficulties. Dr. McConnell utilizes a variety of evidence-based techniques tailored to the child and family’s needs. She is passionate about working collaboratively with caregivers and her approach is strength-based and integrative.

Megan McConnell, Ph.D.

licensed psychologist
dr.megan.mcconnell@abbeyclinic.org

Sopagna Braje, Ph.D.

licensed psychologist
sopagna.braje@abbeyclinic.org

Dr. Sopagna Braje is a clinical psychologist with over a decade of experience in the classroom and in clinical settings, working with children, adolescents, and their families. She completed her Ph.D. in Clinical Psychology at the University of Oregon and received specialized training in the assessment and treatment of trauma among children and adults at her internship at the Medical University of South Carolina in Charleston. Prior to joining ANC, she was teaching and conducting research as a university faculty member engaged in the intersections of theory and practice. She has published numerous academic journal articles and book chapters on issues pertaining to multicultural considerations in assessment and diagnosis, issues of identity and risk-taking among adolescents, and sociocultural considerations of parenting behaviors. She utilizes evidence-based treatments such as trauma-focused cognitive behavioral therapy (TF-CBT), exposure therapy, cognitive behavioral therapy, parent coaching, and acceptance and mindfulness-based therapies to reduce symptoms of depression and anxiety.

Dr. Julia Zubillaga is a postdoctoral fellow who joined Abbey Neuropsychology Clinic following an APA-accredited clinical psychology internship at California Pacific Medical Center, where she specialized in psychoeducational and neuropsychological assessment of children and adolescents, as well as individual psychotherapy with children and adults. A native South Floridian, she completed her doctoral training through Albizu University in Miami, FL, with a concentration in pediatric neuropsychology. Her clinical and research experiences involve assessing neuropsychological functioning in children, adolescents, and adults presenting with neurodevelopmental disorders (e.g., learning disabilities, developmental delays, ADHD), medical complications, and neurocognitive dysfunction. She is fluent in both English and Spanish. Currently, she provides neuropsychological assessments and psychotherapy at Abbey Neuropsychology Clinic.

Julia Zubillaga, Psy.D.

post-doctoral fellow(PSB94024345)
julia.zubillaga@abbeyclinic.org

Rachael Little, M.Sc.

Associate Marriage & Family therapist
Associate clinical counselor
rachael@abbeyclinic.org

Rachael Little, M.Sc., is a dual-registered Associate Marriage and Family Therapist and Associate Professional Clinical Counselor. She is our Director of Cognitive Training, and has extensive experience in providing neurofeedback and neuromodulation for individuals with ADHD and learning disorders, anxiety and OCD, and traumatic brain injuries. She has lectured at numerous conferences across the country about the ever-evolving field of neurofeedback. She also provides assessment and psychotherapy services to all ages of individuals, as well as couples and families. She has prior experience in treating children and adults in community-based mental health settings in the Bay Area. She finds working with teenagers to be particularly rewarding, and enjoys helping young people to reach their full potentials.

- Cognitive Trainers & Learning Specialists -

Natasha Gupta, B.Sc.

Director of Operations






















natasha.gupta@abbeyclinic.org

Natasha Gupta graduated with a degree in Neuroscience. She is our Director of Operations and has a wide breadth of experience working with children and adults from varying cognitive backgrounds in multiple forms of Neurofeedback, Biofeedback, and learning programs such as CogMed Working Memory Training, Interactive Metronome, and LearningRX. She strives to integrate skill and brain-based training in order to provide help for children and adults with attention difficulties, learning disabilities, executive function weaknesses, Autism Spectrum Disorder (ASD), anxiety, depression, memory challenges, and traumatic brain injuries. This multi-modal approach furthers her commitment to helping individuals of all abilities achieve a greater feeling of wellness.

Charlotte Moss, B.Sc.

program director























charlotte.moss@abbeyclinic.org

Charlotte Moss graduated from University of California, Santa Cruz with a B.Sc. in Neuroscience and a B.A. in Psychology. She has experience working with clients of all ages who are seeking help with attention deficits, anxiety, depression, Autism spectrum disorder, traumatic brain injuries, concussions, and memory loss. Charlotte is trained in Neurofeedback, Biofeedback, Learning Rx, and CogMed to help promote higher brain functioning and increase overall wellness.

Beth Powell, M.A.

beth.powell@abbeyclinic.org

Beth Powell is a Learning Specialist who creates individualized cognitive interventions from a variety of multisensory programs and cognitive therapies such scientifically based reading, writing, and math interventions, integrated into executive functioning coaching and brain training (e.g., neurofeedback and Cognitive drills). She holds a Master’s degree from the California Institute of Integral Studies and a Bachelor’s degree in Math. She has worked in education for over 25 years and enjoys finding the right approach that struggling students need to succeed.

Peggy Powell, B.A.

peggy.powell@abbeyclinic.org

Peggy Powell is a Learning Specialist who develops individualized interventions, pulling from multi-sensory, research-based methods. She works with students who are struggling with reading, comprehension, writing, and math, incorporating these as needed with executive functioning coaching and brain training (e.g., neurofeedback and cognitive exercises). She has a Bachelor’s degree in Humanities and has worked in the field of education for over 20 years. She enjoys supporting students in gaining the skills and confidence they need to be successful.

Victoria Trebbi, B.A.

victoria.trebbi@abbeyclinic.org

Victoria Trebbi graduated with a degree in Psychology and Education from Stetson University. She works with individuals of all ages and different cognitive backgrounds utilizing Neurofeedback and an interactive learning program such as LearningRX. She provides various forms of cognitive training to help individuals with attention, anxiety, memory deficits, autism spectrum disorder, and learning disabilities. This all-inclusive approach allows her to help individuals reach their overall goals.

Nilou Novin, B.Sc.

nilou.novin@abbeyclinic.org

Nilou Novin graduated with degrees in Neuroscience and Mathematics from Boston University. She is one of the cognitive trainers practicing Neurofeedback along with other forms of brain training with both children and adults of various clinical backgrounds.

- Mind-Body Trainers -

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