Dr. McMaster specialized for over ten years in bipolar disorder research and the treatment of bipolar disorder, major depressive disorder, and schizophrenia with a focus on racial disparities and provider racial biases. She has authored and co-authored seven journal articles and two book chapters on these topics, presented research findings at nearly a dozen different international and national conferences, and was featured in Medical News Today.  Dr. McMaster focuses now on providing the best available evidence-based psychological services online to Christians in Washington DC and Maryland.