Our Team
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Larissa Del Piero, PhD
FOUNDER, NEUROPSYCHOLOGIST
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Ariana Tart-Zelvin, PhD
NEUROPSYCHOLOGIST
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Kelly Polnaszek, PhD
CLINICAL PSYCHOLOGIST
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Audra Yetter M.S., ADHD-CCSP
EXECUTIVE FUNCTIONING COACH
About Dr. Del Piero
Services:Neuropsychological Assessment, Learning Disability and ADHD Evaluations, Health-Focused Therapy
Ages: Adults, Youth 12+
Dr. Del Piero is a rehabilitation neuropsychologist. She specializes in neuropsychological assessments to help people better understand their cognitive strengths and weaknesses to inform their medical care and improve their lives. She also provides evidence-based interventions including cognitive behavioral therapy focused on coping with chronic health conditions, pain, and changes in physical abilities linked to illness, injury, and aging. She has particular experience working with individuals who have suffered a traumatic brain injury (concussion) and are struggling with recovery. Dr. Del Piero is the chair of the APA Division 22 (Rehab Psychology) Practice Committee and a board member for Brain NW, a brain injury non-profit organization.
Dr. Del Piero is also an accomplished researcher. In 2010, she was awarded the prestigious National Science Foundation Graduate Research Fellowship and has over 50 peer-reviewed publications and presentations in the areas of Clinical Psychology and Neuropsychology.
Dr. Del Piero completed her Masters degree and PhD in Psychology at the University of Southern California, a psychology residency at the University of Washington, and a postdoctoral fellowship at the Seattle VA Hospital. She is a Clinical Assistant Professor in the Department of Rehabilitation Medicine at the University of Washington and has worked as both a clinician and program manager within the VA healthcare system.
Dr. Del Piero offers in-person neuropsychological assessments in the Seattle area and therapy services in-person and via telehealth across Washington, California, and PSYPACT states (check if your state is part of PSYPACT).
About Dr. Tart-Zelvin
Services: ADHD Evaluations
Ages: Adults, Youth 16+
Dr. Ariana Tart-Zelvin, better known as Dr. TZ by her patients, is originally from Texas. She received her bachelor’s degree from Johns Hopkins University in neuropsychology and neuroscience and her master’s degree from Drexel University in Psychology with a concentration in neuropsychology. She completed her doctorate at Idaho State University in clinical psychology with a research focus on the brain activity of cognitive constructs using neuroimaging techniques (fMRI and DTI). In addition, she completed a clinical residency program at the University of Washington working at both Harborview Medical Center and the University of Washington Medical Center. Following her residency, she completed a two-year fellowship program in clinical neuropsychology at Michigan Medicine/University of Michigan.
Her clinical focus is on adults and older adults with neurodegenerative conditions and neurological disorders such as Alzheimer's disease and related dementias, Parkinson's disease, ALS, epilepsy, MS, stroke, and TBI. She also works with individuals with various attention disorders. She conducts neuropsychological evaluations to aid in diagnosis, inform collaborative treatment planning, and to provide patients, families, and their providers with helpful recommendations. She has worked with individuals across the lifespan, and she finds it rewarding to help her patients and their families navigate challenges associated with cognitive difficulties. In her free time, Dr. TZ enjoys hiking, rock climbing, biking, and attending classic car shows. Dr. TZ current offers services in Washington State.
About Dr. Polnaszek
Services: Therapy (Chronic Pain, Anxiety, Depression)
Ages: Adults
Dr. Kelly Polnaszek provides evidence-based care tailored to each client’s goals and values. She specializes in working with adults experiencing chronic pain and adjusting to chronic health conditions, injury, or illness. She also supports adults navigating anxiety, depression, and other significant life transitions.
Dr. Polnaszek takes an integrative approach grounded in cognitive behavioral therapy (CBT), while also incorporating mindfulness-based and acceptance-based strategies. Her style is warm, collaborative, and goal-oriented, helping clients build skills to manage distress and create meaningful, lasting change.
Dr. Polnaszek earned her PhD in Clinical Psychology from Loyola University Chicago and completed her residency in rehabilitation neuropsychology at the University of Washington. She has extensive training in rehabilitation psychology and neuropsychology, with postdoctoral experiences across medical and mental health settings including the Seattle VA and the University of Washington School of Medicine. Dr. Polnaszek is a licensed clinical psychologist in Illinois, Wisconsin, and all PSYPACT states.
About Audra
Services: Executive Functioning Coaching
Ages: Adults, Youth 16+
Audra Yetter M.S., CCC-SLP, BC-ANCDS, ADHD-CCSP is an executive functioning (EF) coach, providing individualized telehealth-based coaching services to individuals across the United States. She is also a practicing speech-language pathologist licensed in the state of Montana, and holds board certification in the area of neurorehabilitation, through the Academy of Neurologic Communication Disorders and Sciences (ANCDS). Audra’s foundation in supporting individuals with EF challenges was curated through 15+ years of experience in hospital and medical outpatient settings treating acquired EF and other cognitive disorders related to brain injury and neurological disease. Her interest in EF coaching grew through experiences with many clients who presented with pre-injury factors such as ADHD or other EF challenges, in which many people described “falling through the cracks” on a lifelong basis with respect to supportive services. Audra’s coaching is informed by these rich clinical experiences and combined with extensive work and study of brain-behavior relationships, neuroplasticity, and values based in person-centered care. She is an ADHD Certified Clinical Services Provider.
Audra’s EF coaching philosophy is highly collaborative and honors each client’s autonomy and individual goals. She believes that all people have a unique set of EF strengths and challenges that present differently across various life situations. The stratification of these EF skills provides wonderful gifts and even superpowers for individuals; at the same time, EF challenges can interfere with one’s ability to attain long-range or daily goals; they also can be stressful or negative impact quality of life. To address EF challenges, Audra engages clients in a collaborative process involving exploring one’s own desire, ability, and confidence to invest in change and zeroing in on themes within the individual’s interrelated EF skills. She works with clients to develop awareness and a personal EF vocabulary to be able to make abstract brain-based concepts more tangible. An individualized “toolbox” of strategies and skills is developed that corresponds to specific inflection points of EF challenges. Interventions also include creating a plan to keep momentum going with new skills over time, to ultimately capitalize upon the potential for neuroplasticity, the brain’s lifelong ability to change.
Audra received her undergraduate degree in Psychology from Montana State University and a Master’s degree in Medical Speech-Language Pathology from the University of Washington. Her academic work has been published in the areas of speech motor control in Parkinson’s disease as well as language rehabilitation following stroke. She provides continuing education for speech pathologists at the state and national levels in the areas of cognitive and language neurorehabilitation. She also provides mentorship to speech pathology graduate students as well as practicing clinicians in the area of neurologic communication and cognitive disorders. In her free time, Audra spends time keeping up with a toddler, hiking and backpacking in Montana with her golden retriever, rafting, and cooking.