Dr. Omar Alhassoon is a professor at the California School of Professional Psychology (CSPP) and an research scientist at the University of California, San Diego (UCSD). He completed his PhD under the mentorship of Igor Grant, M.D. and specialized in neuropsychology and neuroimaging of substance use disorders.His research has focused on the use of variety of imaging techniques such as Proton and Carbon-13 nuclear magnetic spectroscopy, diffusion tensor imaging, functional magnetic resonance imaging, and single-photon emission computed tomography to aid our understanding of the neuroscience of substance use disorders and HIV. He has published in the areas of multimodal imaging; CNS changes associated with alcohol, methamphatmine, cocaine, and heroin; and the use of meta-analytical techniques in neuroimaging and neuropsychology. He is a clinical psychologist who focuses on the assessment of neuropsychological deficits in adults. He also specializes in transgender and bisexual discrimination and refugee mental health. He teaches the Neuroscience Series in the CSPP post-doctoral psychopharmacology program, and the Biological Basis of behavior and Neuropsychology courses at the PhD level.