Dave Grossman

Dave Grossman is an acclaimed author, speaker, and retired U.S. Army lieutenant colonel renowned for his expertise in the psychology of combat and the impacts of violence on individuals and society. Grossman's seminal work, "On Killing: The Psychological Cost of Learning to Kill in War and Society," has been highly influential in military and law enforcement training programs worldwide. He founded the Killology Research Group, focusing on the ethical and psychological challenges faced by soldiers and officers. A highly sought-after lecturer, Grossman continues to contribute valuable insights into understanding human aggression and resilience in high-stress situations.