Dr. Daniel Amen is a psychiatrist and brain health expert known for his work in the field of neuropsychiatry. He is the founder of the Amen Clinics, which focus on brain imaging and treatment for various mental health conditions. Dr. Amen has authored several books, including Change Your Brain, Change Your Life, which emphasizes the connection between brain function and mental well-being. In addition to his clinical work, Dr. Amen is a prominent speaker and educator, often discussing the importance of brain health in relation to overall health. He utilizes SPECT imaging to assess brain activity and has developed programs aimed at improving cognitive function and emotional health.