Nonbinary Expert Witnesses
Nonbinary expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on nonbinary. The nonbinary expert witness listings on this page are typically from fields/areas of expertise such as: Mental Health and Psychology.
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Natalia P Zhikhareva, PhD
Gender Dysphoria Expert Adults| 7,200+ Evaluations
DR Z PHD PLLC.
Vancouver, Washington
Psychology, Mental Health
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Gender identity, Nonbinary, Gender transition, Civil rights, Gender affirming care, Gender dysphoria, Expert witness, Medical necessity, Custody evaluation, Transgender healthcar, Transgender assessment, Psychological evaluation, Discrimination, Court-appointed, Forensic psychology, DSM-5 diagnosis, Title IX, Competency evaluation
Dr. Natalia Zhikhareva (Dr. Z) is a licensed clinical psychologist with 20 years of exclusive specialization in gender dysphoria assessment and treatment for transgender and nonbinary adults. With over 7,200 completed evaluations, Dr. Z has developed specialized expertise across every type of gender presentation — from straightforward cases to highly complex, atypical situations involving trauma, neurodivergence, and co-occurring mental health conditions.
Dr. Z holds a Doctor of Clinical Psychology (PhD) and is licensed in California (PSY28888), Texas (#39338), New York (#024701), and Florida (out-of-state telehealth #197).
She is court-appointed as an expert witness in California — one of a small number of psychologists recognized by the courts as an authority on gender identity matters — and has provided expert testimony in cases including criminal matters involving life sentences.
Her forensic work encompasses gender dysphoria diagnosis, medical necessity evaluations, assessm...
