Dr. Joe Pierre is a Health Sciences Clinical Professor in the Department of Psychiatry and Behavioral Sciences at the University of California, San Francisco (UCSF). He is a graduate of MIT, the UCLA School of Medicine, and the psychiatry residency training program at the UCLA Neuropsychiatric Institute. He has extensive clinical experience working with individuals with psychotic disorders, substance use disorders, and those with “dual diagnosis.”

He has authored over 100 papers, abstracts, and book chapters related to schizophrenia, antipsychotic medications, substance-induced psychosis, delusions and delusion-like beliefs, auditory hallucinations and voice-hearing, and a variety of other topics including the neuroscience of free will and culturally sanctioned suicide. He also writes the Psych Unseen blog at Psychology Today. His new book, False: How Mistrust, Misinformation, and Motivated Reasoning Make Us Belief Things That Aren’t True (Oxford University Press) is due out in 2025.

Dr. Pierre serves as an expert witness and consultant in forensic/legal cases involving schizophrenia, the intersection of psychosis and religion, delusion-like beliefs and conspiracy theories, and the side effects of antipsychotic therapy. He has also been featured in numerous interviews for print media, radio, television, and a documentary film.