Brent P. Forester, MD, MSc, is the chief of the Division of Geriatric Psychiatry at McLean Hospital, Senior Medical Director for Value-Based Care Solutions, Population Health Management at Mass General Brigham and an Associate Professor of Psychiatry at Harvard Medical School. Dr. Forester is an expert in geriatric psychiatry, specializing in the treatment of older adults with depression, bipolar disorder, and behavioral complications of Alzheimer’s disease and related dementias. He is currently President of the American Association for Geriatric Psychiatry and a distinguished fellow of the American Psychiatric Association. Dr. Forester’s research focuses on studying novel treatment interventions to manage behavioral complications of dementia such as agitation and aggression. Dr. Forester also leads a Mass General Brigham system-wide initiative to enhance the assessment and treatment of individuals with dementia, while supporting family caregivers, in primary care settings. Finally, Dr. Forester and his research team use brain imaging techniques and careful clinical assessment to better understand the causes of dementia, depression and bipolar disorder in later life and to identify promising new targets for effective treatments.