The APF Gold Medal for Impact in Psychology recognizes Lenore E. Walker for her groundbreaking work with a particularly vulnerable population, those with a syndrome she named Battered Woman Syndrome (BWS). Lenore E. Walker's work has had a transformational impact in psychology, in the courts, in public policy, and in the lives of countless women over a period of more than 40 years. BWS is accepted as a criminal defense in federal court and all state courts and may be raised as 'state of mind' for damages in personal injury cases and in family courts. The central tenet of Dr. Walker's contributions is that the victims of trauma from familial and intimate partner violence, abuse, and degradation all share experiencing common trauma symptoms that may need effective trauma-specific assessment and treatment. Her work has impacted the lives of hundreds of thousands of abused women and their families and continues to be used and expanded upon today. (PsycInfo Database Record (c) 2023 APA, all rights reserved).