Bill Arnold is the executive director of Blue Diamond Recreation, a nonprofit that provides peer support for those challenged by the effects of war.Before forming Blue Diamond, he spent twenty-eight years at Fort Worth Country Day as a history teacher, coach, and administrator. During that time, he taught nine different classes, coached four varsity sports, and served in leadership roles including assistant director of admissions, assistant director of advancement, dean of ninth and twelfth grades, head of Upper School, and director of strategic projects.Bill holds a BA in history from the Virginia Military Institute and an MA in history from the University of Texas at Arlington.