Dave Grossman is a prominent author, speaker, and retired military officer known for his extensive work on the psychological effects of violence, particularly in relation to warfare and media. He has written numerous books, including "On Killing," which examines the moral and psychological impact of killing on soldiers and society. Grossman's insights into the relationship between violence in media and real-world behavior have sparked considerable discussion and debate. His background as a former Army Ranger and his experience in law enforcement provide him with a unique perspective on these topics. Grossman argues that modern society is increasingly desensitized to violence, largely due to the prevalence of violent video games and movies. He emphasizes the importance of understanding these dynamics to address issues such as crime and aggression in contemporary culture. In addition to his writing, Grossman is a sought-after speaker, often delivering lectures to military, law enforcement, and educational audiences. His work aims to foster awareness of the consequences of exposure to violence and advocate for change in how society views and addresses these issues. His contributions have left a lasting impact on discussions about violence, ethics, and the responsibility of media creators. Dave Grossman is a well-respected author, speaker, and retired military officer who has greatly influenced discussions on violence and its effects. His notable work includes "On Killing," where he explores the psychological toll of killing on individuals and society. With experience as an Army Ranger and law enforcement officer, Grossman provides unique insights into the impact of violence in media. He believes that exposure to violent content has desensitized society, and highlights the urgent need to understand these effects on behavior. Grossman is not only an author but also a dynamic speaker, sharing his expertise with military and educational audiences. Through his work, he advocates for a crucial dialogue regarding the responsibilities of media and the broader effects of violence on culture and ethics.