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Northern California

Neuropsychology Forum

Current Board Members

President:  William McMullen, PhD, ABPP-CN

William McMullen, PhD, ABPP-CN, is a Board-Certified Clinical Neuropsychologist and Director of Neuropsychological Services for the Sutter Pacific Epilepsy and Movement Disorders programs. He has served on the Professional Advisory Board of the Epilepsy Foundation of Northern California for many years and was elected to the National Epilepsy Foundation’s Professional Advisory Board in 2022. He is an Associate Clinical Professor at the University of California – Berkeley where he supervises graduate psychology students performing neuropsychological assessments through the UCB Psychology Clinic. Dr. McMullen is a current Board Member, and Past President of the San Francisco Neurological Society, where he is the only non-MD to have been elected President in the Society’s seventy-seven-year history. Dr. McMullen has been active in CPA Division VIII since 2021 and has held the board position of LAN Representative during this time. He has been actively involved in the Division’s advocacy for the Psychological Testing Technician’s bill that passed in 2022 and has advocated for steps to ensure test security in order to protect the integrity of our profession.

Email: president@ncnf.org


Immediate Past President: Catherine Marreiro, PhD, ABPP-CN

Dr. Marreiro (PSY26835) is a board-certified clinical neuropsychologist with over 13 years of experience in the assessment of neurological and psychological conditions affecting adolescents and adults. She is the Director of Neuropsychology at the Ray Dolby Brain Health Center (RDBHC) at California Pacific Medical Center.  

Dr. Marreiro remains actively involved in research as a Sub-Investigator for clinical drug trials targeting Alzheimer’s disease within the RDBHC as well as serving as a clinical rater for clinical trials through Elligo Health Research. She has been actively involved in supervision and mentorship of neuropsychology trainees. Within the Ray Dolby Brain Health Center, she has served as a supervisor for practicum, internship, and post-doctoral trainees.

Her clinical expertise extends across a wide range of lifespan conditions, including but not limited to, Alzheimer’s disease and related dementias, movement disorders, stroke, cancer, traumatic brain injury/concussion, multiple sclerosis, chronic pain, sleep disorders, ADHD/Learning disorders, and mood problems.

Dr. Marreiro earned her Master’s degree and PhD in Clinical Psychology from Arizona State University. Her Master’s thesis focused on the psychosocial and cultural predictors of maternal and infant health outcomes. Her dissertation work was recognized with an APA Dissertation Research Award and examined how stress impacts neuropsychological and physiological reactivity within young adults with Type 1 Diabetes.

Dr. Marreiro completed an APA approved pre-doctoral internship in Clinical Neuropsychology at the Jesse Brown VA Medical Center in Chicago, IL and her two-year postdoctoral fellowship in Clinical Neuropsychology within the Alzheimer’s Disease Center at the University of California, Davis.

Email: pastpresident@ncnf.org 

President Elect: Brian A. Maruyama, PhD

Brian A. Maruyama, Ph.D., is a clinical neuropsychologist for the Department of Psychiatry at Kaiser Permanente in Redwood City, California. He completed practicum training at Kaiser Permanente Redwood City back in 2016 and enjoyed the work so much that he returned as a staff member in 2022. Dr. Maruyama completed his undergraduate education at the University of California, Davis, majoring in psychology. He then went on to earn his Ph.D. in clinical psychology, with dual emphases in neuropsychology and LGBTQIA psychology, from Palo Alto University. In addition to practicum training at Kaiser Permanente Redwood City, Dr. Maruyama also completed training rotations at Medical Hill Rehabilitation Center in Oakland, the Palo Alto VA Healthcare System, and the UCSF Epilepsy Center. He completed a predoctoral internship at the Palo Alto VA Healthcare System, where he received specialized training in geropsychology, neuropsychology, and rehabilitation psychology. After receiving his doctoral degree, Dr. Maruyama participated in a 2-year postdoctoral residency program at the San Francisco VA Medical Center where he split his time between clinical neuropsychological assessment and research investigating rehabilitation treatments for veterans with traumatic brain injuries. Dr. Maruyama has a passion for working with underserved communities and began his work as a clinical neuropsychologist at Hyde Street Community Services, a community mental health center in San Francisco. At Hyde Street Community Services, Dr. Maruyama was able to apply his education and training in a professional setting that included a range of responsibilities, including but not limited to, neuropsychological assessment, cognitive rehabilitation, supervision of neuropsychology trainees, and crisis management. More recently, Dr. Maruyama has been acclimating to his position at Kaiser Permanente Redwood City and preparing for board certification. Dr. Maruyama’s clinical and research interests include geriatric assessment and diagnosis of dementia; rehabilitation of cognitive functioning following traumatic brain injury; cultural factors that impact neuropsychology and rehabilitation; and LGBTQIA psychology. 

Email: presidentelect@ncnf.org

Secretary: Andrea Alioto, PhD

Andrea Alioto, Ph.D., ABPP-CN. is a board certified clinical neuropsychologist. She currently works as a clinical neuropsychologist at Kaiser Santa Clara Health Care Center and administers neuropsychological assessments for clinical trials at Stanford University School of Medicine. Dr. Alioto earned her PhD in Clinical Psychology at Palo Alto University with an emphasis in neuropsychology. During her doctoral training she completed neuropsychology practica at the Palo Alto VA Health Care System, UCSF Memory and Aging Center, and UCSF Movement Disorder and Neuromodulation Center. She completed her predoctoral internship at the Minneapolis VA Health Care System and two-year postdoctoral fellowship in clinical neuropsychology at UC Davis Department of Neurology. Her clinical and research interests include cognitive aging, assessment and diagnosis of neurodegenerative diseases, psychosocial functioning in chronic illnesses, and evaluation and treatment of individuals with genetic disorders across the lifespan.

Email: secretary@ncnf.org

Treasurer: Travis Shivley-Scott, PhD

Dr. Shivley-Scott is a clinical neuropsychologist and licensed psychologist in California (PSY 32064) and New Mexico (PSY-2022-0127). He primarily works as lead neuropsychologist for the Sacramento VA Geriatrics Outpatient Clinic where he conducts neuropsychological and capacity evaluations with aging Veterans. He also conducts teleneuropsychological evaluations for diverse patients in New Mexico with a wide range of conditions throughout the lifespan.  He previously completed a two-year clinical-research postdoctoral fellowship in aging and dementia at VA Palo Alto and the Stanford School of Medicine.  Prior to this, he earned his PhD in Clinical Psychology with specialization in Neuropsychology from Fordham University. His clinical and research interests include the assessment and diagnosis of neurodegenerative diseases and cross-cultural relationships in the neuropsychology of aging.

Email: treasurer@ncnf.org

Member at Large: Sara Mason, PsyD

Sara Mason, PsyD (she/her) is a clinical neuropsychologist and licensed psychologist (PSY32210) with specialized training in the evaluation of individuals across the lifespan. Dr. Mason currently works as a staff neuropsychologist at California Pacific Medical Center’s Ray Dolby Brain Health Center. She is also the co-founder/president of the Queer Neuropsychological Society (QNS), a national organization dedicated to advancing accessible and affirming neuropsychological services for members of the LGBTQ+ community.

Dr. Mason earned a bachelor’s degree in neuroscience from Vassar College and a master’s degree in clinical psychology/biopsychology from New York University, where she graduated with honors. She earned her doctorate in clinical psychology, with an emphasis in neuropsychology, from the University of Denver.  She completed her pre-doctoral internship in the neuropsychology track at California Pacific Medical Center/Sutter Health. She then completed a two-year fellowship in lifespan neuropsychology at San Francisco Neuropsychology, PC, a private practice that specializes in serving patients from diverse cultural and linguistic backgrounds. 

Email: membersatlarge@ncnf.org

Member at Large:  Saskia DeVaughn, PhD, ABPP-CN

Saskia DeVaughn, PhD., ABPP-CN is a Board-Certified Clinical Neuropsychologist with specialized knowledge in differential diagnosis of neurodegenerative disease. After graduating from Palo Alto University, she completed her internship in Geropsychology at the Rocky Mountain VA with a focus on dementia care and caregiver support. Her published research focused on memory processes across dementia syndromes and aging with HIV. During her fellowship at the University of New Mexico, she developed expertise in the evaluation of surgical candidates with epilepsy, brain tumors, and those considered for deep brain stimulation. Dr. DeVaughn also performed clinical functional brain MRI studies for lateralization of language dominance and post-operative risk assessment for language and motor functions

and assisted in awake craniotomies. 

Email: membersatlarge@ncnf.org

Member at Large: Joelle Broffman, PsyD, ABPP-CN

Dr. Broffman (PSY30413) is a board-certified clinical neuropsychologist with over 10 years of combined clinical training and independent professional experience in neuropsychological assessment, neurorehabilitation interventions, and psychotherapeutic intervention for adjustment to injury/diagnosis. She is currently the Coordinator of Neuropsychology Services at El Camino Health where she works in both acute inpatient rehabilitation and outpatient settings. She developed and launched the healthcare system's adult outpatient neuropsychological assessment clinic in May 2023. 

Dr. Broffman earned a Bachelor's Degree in Psychology at UCLA (2010). She completed both Master’s (2013) and PsyD (2017) degrees in Clinical Psychology at Pepperdine University. She completed an APA accredited predoctoral internship at the Loma Linda VA Medical Center (2016-2017), and her two-year, APA-accredited postdoctoral fellowship in clinical neuropsychology at the VA Palo Alto Health Care System (2017-2019). Dr. Broffman's clinical interests include rehabilitation neuropsychology and geriatric neuropsychology.

Dr. Broffman has been board certified in clinical neuropsychology since April 2023. She is involved in committee and mentorship efforts through her membership in the American Academy of Clinical Neuropsychology (AACN), including acting as a Be Ready for ABPP in Neuropsychology (BRAIN) mentor, and as a practice sample reviewer for candidates pursuing board-certification in clinical neuropsychology. She has clinical supervision experience through her prior clinical appointment at the VA Palo Alto Health Care System, and enjoys mentoring trainees in intermediary stages of their neuropsychology training and careers.

Email: membersatlarge@ncnf.org

Member at Large:  Miriam Krumholz, PsyD

Miriam Krumholz, PsyD is a licensed psychologist and clinical neuropsychologist. After graduating from The Chicago School of Professional Psychology in Washington D.C., she completed her pre-doctoral internship at the Omaha VA and her post-doctoral fellowship in lifespan Neuropsychology at Stony Brook Medicine. Dr. Krumholz specializes in working with people across the lifespan, from childhood through older adulthood. She has experience working with patients with a wide range of conditions including neurodevelopmental disorders, MCI, neurodegenerative disorders, movement disorders, stroke, complex medical diagnoses, TBI, epilepsy, and behavioral/psychiatric disorders. She also has experience working alongside medical interpreters to evaluate non-native English speaking patients. Her clinical research interests center around attentional processes, mindfulness meditation, and health neuropsychology. Dr. Krumholz founded and runs a consultation group for neuropsychologists and assessment psychologists in the Bay Area conducting adult autism evaluations. 

Email: membersatlarge@ncnf.org

Member at Large:  Nicholas Bott, PsyD

Bio coming soon.

Email: membersatlarge@ncnf.org

Marketing Chair:
 Ashlynn Steinbaugh, MS

Ashlynn Steinbaugh, MS, is a fourth-year doctoral candidate in the Clinical Psychology PhD Program at Palo Alto University. She is currently an extern at UCSF conducting neuropsychological evaluations with children and adolescent with complex medical conditions. Her previous training experiences include providing school-based therapy services and psychotherapy with children and adults at a community mental health clinic. She was previously a neuropsychological assessor at the UCSF brainLens research lab. Ashlynn’s clinical and research interests include pediatric neuropsychology, assessments in pediatric complex medical condition treatments, and professional practices in the field. Ashlynn received her bachelor's in Psychology with a minor in Biology from Portland State University.   

Email: events@ncnf.org 

Event Assistant: Lexie Thomas, MA, LMFT

Lexie Thomas, MA, LMFT, is a third-year doctoral student of Clinical Psychology with a focus on neuropsychological assessment at the Wright Institute. She is an extern in Neurocognitive Rehabilitation at the VA Northern California Health Care System and a clinical interviewer for the San Francisco VA’s Stress Health and Research Program. She has clinical and research experience working with various populations that have faced challenges related to acute and complex trauma, the criminal justice system, severe mental illness/serious emotional disturbance, and chemical dependency. 

Email: events@ncnf.org 

Executive Assistant:  Devon Taylor

Devon Delaney MA, MS, is a fourth-year student at PGSP-Stanford PsyD Consortium. She is currently training at the UCSF Memory and Aging Center (MAC) and the UCSF Epilepsy Center. Devon's research interests include the differential effects of neuroinflammation on cognition across racially diverse populations and the impact of race-based trauma on late-life cognitive trajectories. Devon earned her undergraduate degree in psychology from Georgia State University and her master's in clinical psychology from Columbia University. 

Email: events@ncnf.org 


ECNC chairperson: Vacant

For more information about our organization please email our Secretary Andrea Alioto, PhD at secretary@ncnf.org

Past Presidents

NCNF is proud of the hard work and commitment that our San Francisco Bay Area neuropsychologist colleagues have shown over the last 25 years and counting to make our organization what it is today.

2023 - 2023: Catherine Marreiro, PhD, ABPP-CN

2021 - 2022: Karen M. Lau, PhD, ABPP-CN

2020 - 2021: Ankhesenamun Ball, PsyD

2019 - 2020:  Carmen C. Velazquez, PhD

2018 - 2019: Harmony J. Satre, Psy.D

2017 - 2018: Allen Hobbs, PhD

2016 - 2017: Dave Hawkey, PsyD

2015 - 2016: Rachyll Dempsey, PsyD

2014 - 2015: Sharon Perlman Berry, PsyD

2013 - 2014: Eric Freitag, PsyD

2012 - 2013 Charles Filanosky, PhD





2011 - 2012: Brenda Austin, PhD

2010 - 2011: David O'Grady, PhD

2009 - 2010: Nancy Hoffman, PsyD

2008 - 2009: Richard Delmonico, PhD 

2007 - 2008: Howard Friedman, PhD

2006 - 2007: Darryl Thomander, PhD

2005 - 2006: Tina Guterman, PhD

2004 - 2005: Ellen Krantz, PhD

2003 - 2004: Penelope Zeifert, PhD

2002 - 2003: Michael Drexler, PhD

2001 - 2002: Ann Levy, PhD

2000 - 2001: Rosemarie Bowler, PhD



1999 - 2000: Jane Fielding, PhD

1998 - 1999: Tatjana Novakovic-Agopian, PhD

1997 - 1998: Jack Fahy, PhD

1996 -1997: Gayle Hostetter, PhD

1995 -1996: David King, PhD

1994 - 1995: Sandra Portman, PhD

1993 - 1994: Nell Riley, PhD

1992 - 1993: James R. Cole, PhD

1991 - 1992: Karen Bronk Froming, Phd

1990 - 1991: Catherine Long Popell, PhD

1989 - 1990: Vivian Clayton, PhD

1987 - 1989: Leonard Price, PhD


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