Dean Weingarten has been a peace officer, and a military officer. He grew up in Wisconsin. He was on the University of Wisconsin Pistol Team for four years. He was first certified to teach firearms safety in 1973. His career took him to California, Panama, then Arizona. He taught the Arizona concealed carry course for fifteen years until the legislature passed constitutional carry. He has a Batchelors degree in meteorology and a Masters in mining engineering. He retired from the Department of Defense after a 30 year career in Army Research, Development, Testing, and Evaluation. He has thousands of articles published on the Internet and in print.