Jessica Grisham is an academic clinical psychologist and Professor in the School of Psychology at UNSW Sydney. She received her PhD from Boston University in 2005 and moved to Sydney soon after for a post-doctoral postion in Psychiatry. She and her students conduct research on the phenomenology and treatment of obsessive-compulsive disorder (OCD) and OC spectrum disorders, such as hoarding disorder. She is an international authority on hoarding disorder and has extensive clinical experience assessing and treating OCD and hoarding clients.