Shelley Peery | Aikisha L. Harley | Rayna Hirst | Karen Lau | Sara Mason | Johanna Rengifo | Kris Verroulx

Shelley Peery, PhD

Executive Director

Shelley Peery, Clinical Neuropsychology,


Dr. Shelley Peery completed her doctorate in the Neuropsychology subprogram of the Psychology department at City University of New York at Queens College. She completed her internship at Mount Sinai Medical Center in New York. Her post doctoral fellowship was completed at New York University Medical Center at the Rusk Institute of Rehabilitation Medicine. She also trained at the Comprehensive Epilepsy Center at NYU and the Alzheimer’s Disease Research Center (ADRC) at Columbia University Medical Center (CUMC). Dr. Peery carried out her dissertation research on the recovery of neuropsychological functioning after subarachnoid hemorrhage, a type of stroke, at Columbia under the tutelage the of Stephan Mayer, MD, a world leader in the field of neurological intensive care. At the Alzheimer’s Disease Research Center, Dr. Peery honed her skills in the neuropsychological assessment of Spanish speakers under the guidance of Jennifer Manly, PhD, a nationally recognized expert in cross cultural neuropsychology. Widely trained, Dr. Peery is a clinical neuropsychologist qualified to assess individuals with a variety of neurological and psychological disorders. Dr. Peery is also an adjunct faculty member of the University of California, Berkeley Extension, and has taught neuropsychology at the graduate level. She taught several college courses in her field at Queens College and City College in New York City and consulted at UCSF on an Alzheimer’s Disease research project. Dr. Peery has previously served as the Chair of the Culture and Diversity Committee for the the National Academy of Neuropsychology (NAN; 2011-2014) and on the board of directors of the Hispanic Neuropsychological Society (Secretary 2008 – 2012) and the Northern California Neuropsychology Forum (Treasurer 2008-2010, Member at Large 2010-2012). A volunteer with the American Red Cross – Bay Area, she was the 2011-13 Lead for the Disaster Mental Health team in San Francisco. In addition to the above organizations, Dr. Peery is also a member of Division 40 (Neuropsychology) of the American Psychological Association and the California Psychological Association (Division 8 – Neuropsychology). Dr. Peery’s interests are in the neuropsychological assessment of Spanish speakers, recovery from acquired brain injury, and optimizing brain health and quality of life in senior citizens.


Dissertation available at
Introduction to Neuropsychology Syllabus
Dr. Peery’s CV: CV-peery-2016-5-5.pdf
Download our W-9 Form (requires password): SFNP-2016-W9


Aikisha L. Harley, PhD

Back to Top back-to-top-up-arrow


Dr. Aikisha Harley is a licensed Clinical Psychologist and Neuropsychologist. She earned her doctorate degree in Clinical Psychology with a specialization in neuropsychology at Palo Alto University. She completed her pre-doctoral clinical internship training at the VA Loma Linda Healthcare System and a two-year neuropsychology postdoctoral residency at Kaiser Permanente Roseville Medical Center.

Through her various training opportunities, Dr. Harley refined her neuropsychological assessment skills of individuals across the lifespan with various neurological, medical, neurodevelopmental, and psychiatric disorders including neurodegenerative diseases, epilepsy, movement disorders, traumatic brain injury, cancer, ADHD, learning differences, depression, and anxiety. During her postdoctoral fellowship, her training also included pre- and post-surgical evaluations for candidates pursuing deep brain stimulation and temporal lobectomies.

Additionally, Dr. Harley has experience providing psychotherapy to adults and older adults with mood disorders secondary to neurocognitive disorders. Her research interests include medical neuropsychology, the impact of mood on cognitive functioning, movement disorders, and cognitive aging. Dr. Harley is a member of the International Neuropsychological Society and the Society for Clinical Neuropsychology (Division 40) of the American Psychological Association.

Rayna Hirst, PhD

Back to Top back-to-top-up-arrow



Dr. Rayna Hirst completed her doctorate in Clinical Psychology, with a specialization in Neuropsychology, at the University at Albany, State University of New York. She completed her internship at the VA Ann Arbor/University of Michigan Healthcare System. Her postdoctoral fellowship was at the Dartmouth-Hitchcock Medical Center, in the Geisel School of Medicine. Her broad and diverse training has prepared her for the assessment of a variety of neurological and psychological disorders. In her clinical practice, she sees adults aged 18 and over (including older adults), for all types of neuropsychological evaluations, including ADHD, learning disorder, psychiatric disorders (e.g., depression, anxiety), medical diagnoses (e.g., multiple sclerosis, Parkinson’s disease, traumatic brain injury, neuro-oncology), and dementia.

Dr. Hirst is an Associate Professor and Director of the Neuropsychology Program at Palo Alto University, providing didactic and supervisory education to doctoral students who are training in neuropsychology. Her research focuses on the validity and interpretation of neuropsychological assessment in a variety of clinical disorders. She also serves as the Research Director at San Francisco Neuropsychology PC, leading their clinical research program. She is a member of the National Academy of Neuropsychology Conflict of Interest Committee, the International Neuropsychological Society, and is Member-at-large and former Treasurer of the Northern California Neuropsychology Forum.

Karen Lau, PhD

Back to Top back-to-top-up-arrow


Dr. Karen Lau is a neuropsychologist and licensed psychologist. She completed her doctorate in Clinical Psychology from the California School of Professional Psychology at Alliant International University, during which time she received specialty training in Neuropsychology at the San Francisco VA Medical Center and Santa Clara Valley Medical Center. She completed her internship with a Neuropsychology emphasis at the Jesse Brown VA Medical Center. Her postdoctoral fellowship was at the University of California, Davis School of Medicine, in the Department of Neurology and Alzheimer’s Disease Center.

Dr. Lau has experience in the neuropsychological assessment of adults with complex neuropsychiatric conditions (e.g. concussion and traumatic brain injury, brain tumors, epilepsy, stroke, and many other disorders affecting the brain) and comorbid psychiatric conditions (e.g. ADHD, PTSD, depression, etc.). She has a longstanding interest in the assessment, intervention, and consultation of patients with neurodegenerative diseases, such as Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, among others. She has appreciation for providing assessments to individuals with diverse cultural backgrounds and can communicate in Cantonese.

Dr. Lau is also a neuropsychologist at a major hospital in the San Francisco Bay Area. She is an active member of the International Neuropsychological Society (INS), National Academy of Neuropsychology (NAN), and Sports Neuropsychological Society (SNS).

Sara Mason, PsyD

Back to Top back-to-top-up-arrow


Dr. Mason is a postdoctoral fellow with San Francisco Neuropsychology. She earned master’s degree in clinical psychology/biopsychology from New York University and then completed a doctorate in clinical psychology, with an emphasis in Neuropsychology, at the University of Denver. She completed a pre-doctoral internship in the Neuropsychology Track at California Pacific Medical Center’s Ray Dolby Brain Health Center. Dr. Mason has received neuropsychological training in a variety of settings, including academic medical centers, inpatient and outpatient hospital settings, forensic settings, and community mental health clinics. Her primary areas of interest include neurodegenerative disease processes, movement disorders, traumatic brain injury/concussion, stroke, neuroanatomy, and psychometrics of neuropsychological assessment measures. She has additional experience with an array of neurological conditions, including epilepsy, neuro-oncology, multiple sclerosis, infections of the central nervous system (e.g., West Nile Virus, Meningitis), and hippocampal sclerosis, among others.

Dr. Mason’s dissertation examined the psychometrics of the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) in Division I collegiate athletes and offered clinical use guidelines for sports medicine providers. She has conducted additional research examining lateralization of cognitive function in Parkinson’s disease and explored neuroanatomical correlates of chronically elevated cortisol. Her research has been published in peer-reviewed journals and presented at professional conferences nationwide.

Dr. Mason is a member of the International Neuropsychological Society (INS), the American Academy of Clinical Neuropsychology (AACN), Northern California Neuropsychology Forum (NCNF), and Division 40 (Clinical Neuropsychology), Division 22 (Rehabilitation Psychology), and Division 44 (Society for the Psychology of Sexual Orientation and Gender Diversity) of the American Psychological Association.

Johanna Rengifo, PhD

Back to Top back-to-top-up-arrow


Dr. Johanna Rengifo is a bilingual (Spanish / English) Clinical Psychologist who specializes in Neuropsychology. She is also a certified brain injury specialist (CBIS).  She completed her Ph.D. at Palo Alto University, with a double major in neuropsychology and clinical neuroscience in women’s health, in conjunction with Stanford School of Medicine, and a bachelor’s degree in psychology from the University of California, Berkeley.  She completed her pre-doctoral internship at the Tampa VA and three post-doctoral fellowships in Gero-Neuropsychology at the Miami VA, in Rehabilitation-Neuropsychology at Tampa General Hospital, and in Clinical Neuropsychology at UCSF / Zuckerberg San Francisco General Hospital.

Dr. Rengifo specializes in working with adults and older adults with a wide range of conditions, including medical/neurological diagnoses (e.g., epilepsy, concussion, brain tumor, stroke), traumatic brain injuries, neurodegenerative diseases (e.g. Parkinson’s disease, Alzheimer’s disease), and comorbid psychiatric conditions (e.g., anxiety, depression, PTSD). She also conducts immigration and political asylum evaluations. Her clinical and research interests include Latino older adults, medical neuropsychology, and positive / health neuropsychology.

Dr. Rengifo is an active member of the Hispanic Neuropsychological Society and served as co-chair of their scientific conference in 2017. She is also a member of the California Psychological Association, American Academy of Clinical Neuropsychology, National Academy of Neuropsychology, and the Northern California Neuropsychology Forum.

Kris Verroulx, PhD

Back to Top back-to-top-up-arrow


Dr. Verroulx is a postdoctoral fellow with San Francisco Neuropsychology. She earned her doctorate in clinical psychology from John F. Kennedy University, after completing her predoctoral internship with Neuropsychological Associates of California. Her training emphasis has been in neuropsychology, with specialized focus in forensic concerns and pediatric neurodevelopmental disorders, including the autism spectrum, ADHD, and learning difficulties. Dr. Verroulx has also worked with patients with traumatic brain injury, stroke, epilepsy, multiple sclerosis, neurodegenerative disease, and a variety of psychiatric presentations (e.g., depression, anxiety, mania, schizophrenia, and personality factors).

As a clinician, her primary aim is continuity of patient care after neuropsychological assessment. As such, she seeks to involve family members and other helpers to co-create and implement recommendations to optimize the patient’s functioning. During her predoctoral experience, she developed and facilitated additional weekly trainings to support neuropsychological assessment skills in the clinical team. Research interests include validity in assessment and the importance of lifestyle factors in cognitive functioning.

Dr. Verroulx is a member of the National Academy of Neuropsychology, the Hispanic Neuropsychological Society, the Asian Neuropsychological Association, and the Societies for Clinical Neuropsychology (Division 40) and for the Psychology of Sexual Orientation and Gender Diversity (Division 44) of the American Psychological Association. Additionally, Dr. Verroulx is a licensed Marriage and Family Therapist, with a private practice in Petaluma, CA. She has supervised masters-level trainees and interns working toward their licenses (MFT, LPC, MSW), and conducted clinical skills and theory trainings at multiple community agencies.