Paul K. Chappell graduated from West Point in 2002. He served in the army for seven years, was deployed to Baghdad, and left active duty in November 2009 as a Captain. He is the author of Will War Ever End?: A Soldier’s Vision of Peace for the 21st Century and The End of War: How Waging Peace Can Save Humanity, Our Planet, and Our Future (May 2010). He lives in Santa Barbara, California, where he is serving as the Peace Leadership Director for the Nuclear Age Peace Foundation. He is working on his third book, Peaceful Revolution: How to Create the Future that Humanity Needs to Survive, and he speaks throughout the country to colleges, high schools, veterans groups, churches, and… activist organizations. Dave Grossman: Lt. Col. Dave Grossman is an internationally recognized scholar, author, soldier, and speaker who is one of the world's foremost experts in the field of human aggression and the roots of violence and violent crime. Col. Grossman is a former West Point psychology professor, Professor of Military Science, and an Army Ranger who has combined his experiences to become the founder of a new field of scientific endeavor, which has been termed “killology.” In this new field Col. Grossman has made revolutionary new contributions to our understanding of killing in war, the psychological costs of war, the root causes of the current "virus" of violent crime that is raging around the world, and the process of healing the victims of violence, in war and peace. He is the author of On Killing, which was nominated for a Pulitzer Prize; has been translated into Japanese, Korean, and German; is on the U.S. Marine Corps Commandant's required reading list; and is required reading at the FBI academy and numerous other academies and colleges. Col. Grossman co-authored Stop Teaching Our Kids to Kill: A Call to Action Against TV, Movie and Video Game Violence, which has been translated into Norwegian and German, and has received international acclaim. Col. Grossman's most recent book, On Combat, has also placed on the U.S. Marine Corps Commandant's Required Reading List and has been translated into Japanese and Korean.