Meet Our Caring Team
At Cognitive Solutions LLC, we understand that behavioral health care is about more than assessments and reports — it’s about understanding people, building trust, and providing thoughtful guidance during important life decisions. Our experienced clinicians are committed to delivering compassionate, evidence-based psychological and neuropsychological services tailored to each individual’s needs. We strive to create a supportive and professional environment where every client feels respected, heard, and confident in the care they receive.
Dr. Johnson is a premier neuropsychologist and forensic expert dedicated to the assessment of complex neurological disorders. With a prestigious background at Johns Hopkins and Duke University, she bridges the gap between clinical science and the legal system, offering specialized forensic evaluations alongside her clinical work.
Dr. Williams is a licensed clinical psychologist with over a decade of expertise in forensic and clinical psychology. Formerly with the Federal Bureau of Prisons and DC Superior Court, she specializes in competency to stand trial, risk evaluations, and mitigation assessments. A recognized expert witness in federal court, she provides high-level forensic consultation and psychological evaluations for complex trauma and severe mental illness.*Therapy sessions are available virtually.
Dr. Blackwell is a licensed psychology associate with specialized expertise in psychoeducational, forensic, and reproductive psychology. A George Washington University doctoral graduate and Army veteran, she provides comprehensive assessments for children and adults, including service-connected disability evaluations for veterans. Dr. Blackwell is a Hansell Award recipient recognized for her skill in clinical assessment across the DC Superior Courts and private practice.
Dr. Kierra Evans provides patient-centered neuropsychological assessments for a wide range of neurological and chronic health conditions. With a background spanning community mental health and inpatient forensic settings, she integrates neurocognitive and emotional insights to empower her patients. Dr. Evans is an APA-accredited trained fellow focused on delivering culturally aware care throughout the DC Metro area.
Dr. Hassan is a Neuropsychology Postdoctoral Fellow who earned her doctorate from The George Washington University. With clinical experience across the lifespan in inpatient, outpatient, and veteran settings, she specializes in assessing neurodegenerative and neurodevelopmental conditions. Dr. Hassan integrates psychodynamic and dialectical behavioral therapies to provide evidence-based, culturally attentive care. *Therapy sessions are available both in person and virtually.
Dr. Ramírez Ruiz is a Neuropsychology Postdoctoral Fellow and Howard University alumna specializing in neuropsychological assessment, with a focus on neurodegenerative conditions. Dr. Ramírez Ruiz has experience working with individuals with dementia and other medical and psychiatric conditions that affect cognitive functioning. She also offers support and guidance to caregivers navigating dementia and related conditions. Dr. Ramírez Ruiz provides services in both English and Spanish and is committed to delivering culturally informed care to diverse communities.
Dr. Amber Smith, Psy.D. is a registered psychology associate specializing in forensic and clinical psychological evaluations. She has extensive experience conducting court-ordered assessments and comprehensive evaluations across legal, clinical, and correctional settings. Dr. Smith is committed to delivering clear, evidence-based insights that support informed decision-making for courts, attorneys, and clients.
Ashia is the Clinical Operations Manager at Cognitive Solutions LLC, overseeing daily operations and practice efficiency. With over five years of experience and academic training in Health Administration, she has been instrumental in the practice's growth. Ashia focuses on operational leadership and process improvement to ensure a seamless and professional experience for both clinical staff and clients.
Sada is an Executive Function Coach at Cognitive Solutions LLC, where she helps clients develop essential life skills, including time management, organization, and self-regulation. Drawing on her academic background in Psychology and a passion for mental health, she provides targeted support to help individuals improve their daily functioning. Sada is dedicated to fostering a supportive environment that empowers clients to achieve their personal and professional goals.
Roben serves as the Administrative Assistant at Cognitive Solutions LLC, where she manages the essential functions of the practice. With expertise in scheduling, record keeping, and marketing coordination, she ensures a seamless experience for every client. Roben is dedicated to maintaining an organized, professional environment that supports both our clinical team and the families we serve.