About Us
We are a group of experienced Licensed Clinical Psychologists and Therapists in central Prince William County, Virginia offering therapy and counseling services, psychological testing, couple therapy, forensic mental health evaluations, and other mental health services for adults, children, families, and organizations.
To schedule an appointment, reach out to one of our professional staff directly. Each member of our staff does their own scheduling; we do not have a centralized intake/scheduling process. This ensures the confidentiality of your information.
Our Approach
We understand that one size does not fit all. Our experienced team has developed a range of specialties to provide effective evaluation and treatment services to children, teens and adults in a welcoming and inclusive environment.
In psychotherapy and counseling, we tailor our treatment plans and our treatment modalities to meet your individual needs. Psychological testing and forensic mental health evaluations utilize multi-method assessment procedures to address important diagnostic questions relevantly and reliably.
Meet our licensed providers

Jonathan DeRight, PhD
Dr. DeRight specializes in Clinical Neuropsychological Evaluation, Forensic Neuropsychological Evaluation, Expert Witness, IMEs, Fitness for Duty, Competency to Stand Trial, Sanity at the Time of the Offense, Forensic Mental Health Evaluation, Baseline Neuropsychological Evaluation
703-680-4200 x112

Travis Flower, JD, PsyD
Dr. Flower specializes in Psychotherapy with adults (Cognitive-behavioral therapy, cognitive therapy, behavioral therapy), Forensic Mental Health Evaluations (Violence Risk Assessments, Sex Offender Evaluations, Immigration Evaluations), and Substance Abuse Assessments
703-680-4200 x140

Nancy Giffen, LCSW
Ms. Giffen specializes in individual psychotherapy for adults using a holistic, trauma-informed, strength-based approach.
703-680-4200 x127

Irene Guya-Allen, PhD
Dr. Guya-Allen specializes in Psychotherapy and Psychodiagnostic Evaluations with adults and adolescents, as well as Forensic Mental Health Evaluations (Violence Risk Assessments, Sex Offender Evaluations, Pre-sentencing Evaluations, and Immigration Evaluations)
703-680-4200 x106

Shauna Keller, PsyD
Dr. Keller specializes Adult forensic mental health evaluations, mitigation evaluations, sex offender treatment and psychosexual risk assessments, violence risk assessments, psychological testing, military service related disability evaluations, pre-employment psychological evaluations, and fitness for duty evaluations.
703-680-4200 x113

William Stejskal, PhD
Dr. Stejskal specializes in Forensic Mental Health Evaluations and Consultation, including capital mitigation. mental state at the time of the offense (sanity and diminished capacity) in cases involving emerging/early psychosis, violence risk assessment, and case consultation with attorneys (defense and Government).
703-680-4200 x101

Dr. Laeli Wilson, Psy.D.
Dr. Wilson specializes in cognitive behavioral therapy, dialectical behavioral therapy, family systems therapy, psychodynamic therapy, motivational interviewing, and solution focused intervention.
703-680-4200 x105
Our Availability
Located midway between the communities of Manassas and Woodbridge, we are accessible to the Northern Virginia and Metropolitan Washington, DC areas. We participate in several large insurance plans, and offer flexible hours to suit the demands of your busy life. Our building and suite are fully accessible and ADA compliant.
All services are offered by appointment only. Each of our providers maintains their own schedule so, after you have reviewed the information below regarding their areas of specialization, please reach out to them directly to discuss setting up an appointment.