Jill Hosey, MSW, RSW, LICSW is a Registered Social Worker and Psychotherapist in Toronto Canada and Rhode Island, USA, providing trauma therapy to persons across the lifespan with histories of complex trauma and dissociation. In addition to being trained in a variety of trauma, attachment and dissociation focused theories and modalities, Jill is an EMDRIA Approved Consultant and an EMDR Trainer with the AGATE Institute, as well as Faculty with the ISSTD’s Professional Training Program (PTP). She has presented extensively on integrating the Safe and Sound Protocol (SSP) into EMDR therapy and is the lead author of the Clinical Guidelines and Considerations for Integrating the Safe and Sound Protocol into EMDR therapy. Jill is extensively trained and experienced on administering the SCID-D Interview (Semi-Structured Clinical Interview for Dissociative Symptoms and Disorders) with children, adolescents, and adults. She contributed a chapter on Therapeutic presence and the Therapeutic Relationship as Trigger and Container to Healing in E. Christenson’s (Ed.), Perspectives of Dissociative Identity Response: Ethical, Historical, and Cultural Issues, and is a co-editor and contributing author of the Handbook for Complex Trauma and Dissociation in Children: Theory, Research, and Clinical Applications (Routledge, 2025). She is a Fellow of the ISSTD.