She specializes in Neuropsychology. Dr. Joannou worked at an Acute Rehabilitation facility in the USA, providing both psychotherapeutic and neuropsychological services to patients who had suffered strokes, mild and traumatic brain injuries, spinal cord injuries, cancer, and other medical conditions. She has also worked with adults battling addiction, adolescents with learning, behavioral, and emotional difficulties, and has volunteered on a crisis hotline. She has practiced individual and family therapy using a Cognitive-Behavioural Approach.