Context: New and emerging interprofessional community and primary care teams have promise for improving care transitions from the hospital to the community. Transitional care research has had limited success in improving patient outcomes and has typically left out patients’ and caregivers’ perspectives. This project brings together patients, caregivers, clinicians, policymakers and researchers to develop a study on how teams can support care transitions. Objective: A project objective is to evaluate the patient/caregiver researcher engagement strategy. This addresses an important gap because patient/caregiver engagement in research has had limited reporting of methods and evaluation of experiences and impact. Study Design: Mixed methods study using a trauma-informed, intersectional engagement approach. Setting: A Canadian province in the early stages of developing primary care and community transitional care interprofessional teams. Population Studied: Five patient/caregiver researchers, varying in age and socioeconomic status, with experience as a patient or caregiver of one who experienced a transition from hospital to home. Intervention/Instrument: The research team will collaboratively develop a study protocol on care transitions and interprofessional teams through a series of facilitated workshops and conduction of a pilot study. Patient researchers will be supported financially and practically; they will be provided with training prior to the first workshop, and between workshops as needed. Research team capacity-building will be supported by the use of existing patient engagement toolkits that outline steps for recruitment, orientation, mentoring and support. Outcome Measures: Interviews that include verbal administration of the adapted Public and Patient Engagement Evaluation Tool will be conducted with patient researchers pre, mid-way and post study design process. Research workshops will be audio recorded and analyzed using a form of discourse analysis to explore how patients/caregivers’ contributions influenced the research design. Results: This poster presents the results of the pre-interviews and demonstrates how the information gleaned from these interviews can inform the patient engagement research training and workshop planning. Expected Outcomes: Iterative patient researcher engagement evaluation will promote meaningful involvement in the research project, and will result in a research study protocol relevant and important to patients.