Jeffrey D. McCausland is the founder and CEO of Diamond6 Leadership and Strategy, LLC. A retired US Army colonel, he has published and lectured broadly-both in the United States and over twenty-five foreign countries-on national security affairs, NATO, the wars in Afghanistan/Iraq, and leadership development.
Colonel Tom Vossler, (Ret.), served thirty years of active military service in the US Army. Since retiring in 1998, Tom has worked as a federally examined and licensed battlefield guide at Gettysburg. He is also the lead historian for Diamond6 Leadership and Strategy, LLC.
Walter Dixon is a winner of Audible's "#1 Editor's Choice and Customer Favorites" award. He has narrated more than 200 audiobooks; performed in musical theater, drama and opera productions, and professional stand-up comedy; and voiced commercials, corporate videos, animated features, and vintage radio dramas.