Marsha Linehan is a prominent American psychologist best known for developing Dialectical Behavior Therapy (DBT), a treatment primarily aimed at individuals with borderline personality disorder (BPD). Linehan's work stems from her personal experiences with mental illness, including a history of self-harm and suicidal behavior. This lived experience enriches her understanding of the needs and challenges faced by those she seeks to help. DBT combines cognitive-behavioral techniques with mindfulness practices, providing patients with skills to manage emotions, enhance relationships, and cope with distress. Over the years, her method has gained recognition not only for its effectiveness in treating BPD but also for helping individuals with various other mental health issues, such as depression, PTSD, and eating disorders. In addition to her clinical work, Linehan has contributed significantly to research and training in mental health. She founded the Behavioral Technology Transfer Group and continues to educate professionals about DBT. Through her advocacy and leadership, Linehan has inspired many to understand and treat complex mental health conditions with compassion and skill. Marsha Linehan is a renowned psychologist whose impactful work has transformed therapeutic practices for complex mental health challenges. She is credited with creating Dialectical Behavior Therapy (DBT), a unique approach that integrates cognitive-behavioral techniques with mindfulness strategies. By sharing her personal struggles and insights, Linehan has fostered a deeper understanding of mental illness, emphasizing empathy and effective skills training in therapy.