Welcome to
Specialized Forensic Unit PC

Psychological Testing & Testimony

Specialized Forensic Unit PC is a private nongovernmental organization, providing psychological evaluations in Illinois and Wisconsin. We provide thorough, timely, research-based evaluations, specifically tailored to answer referral questions that courts, attorneys, correctional facilities, or patients may have. Psychological assessment services are conducted in a professional and sensitive manner. The main goal of our agency is to provide the most objective and unbiased assessment, which outlines client’s current treatment needs and protective factors.

We strive to provide the most representative evaluations, using the latest psychological measures and recent research advances in the field.

We provide services to adults and juveniles. These services include examinations for forensic and clinical purposes. Dr. Kostyshyna is a licensed clinical psychologist, licensed clinical professional counselor (LCPC), licensed sex offender evaluator (LSOE), and licensed sex offender treatment provider (LSOTP) in the state of Illinois; and a licensed psychologist in the state of Wisconsin.

Dr. Kostyshyna is the primary evaluator for Specialized Forensic Unit LLC. Over the period of 10 years (2007-2018), she was a supervisor of a residential non-profit facility for adults with developmental and physical disabilities.

Dr. Kostyshyna conducts forensic and clinical evaluations, including phallometric evaluations (PPG). She has testified as a court expert witness in cases pertaining to legal guardianship, protective services or protective placement, competency to stand trial evaluations, involuntarily detention due to mental illness and dangerousness, immigration, and sexually violent persons act (SVP) civil commitments for probable cause hearings and trials. Dr. Kostyshyna has been certified as an expert witness in mental health in Illinois, Wisconsin, and federal courts.

Dr. Kostyshyna received her Doctoral and Master’s degrees in Clinical Psychology from the Illinois School of Professional Psychology, an APA-accredited institution. She received her another Master’s degree in Psychology and English Literature and Bachelor’s degree in Psychology from Ukrainian National University. She completed an APA-accredited internship at the Minnesota Department of Human Services as well as a formal post-doctoral fellowship in forensic psychology at the Wisconsin Department of Health Services.

Dr. Kostyshyna is fluent in English, Russian, and Ukrainian, and can provide forensic and clinical services in these languages as needed.

CWOSB: Certified Women Owned Small Business (by SBA)

WBE: Certified Women Business Enterprise (by CMS)

Tetyana Kostyshyna, PsyD, LCPC, LSOE, LSOTP

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