MAT BEST is a former U.S. Army Ranger deploying 5 times to Iraq & Afghanistan. In 2012 Mat created his first YouTube video and his social media presence has accumulated more than 3 million subscribers with hundreds of millions of views. Mat is co-founder of three successful businesses, Black Rifle Coffee, Leadslingers Whiskey, and Article 15 Clothing, co-produced the independent feature film Range 15, and last week hit the NYTimes best seller list with his new book Thank you for my Service.