Zach SchaeferZach "Dr. Z" Schaefer is a successful entrepreneur, mediator, author, executive coach, and an award-winning consultant and professional speaker. Dr. Z is a retired professor in the field of Applied Communication Studies and an owner in a growing St. ouis-based sports bar chain. He's written five books, is a patented inventor, and is a certified BBQ Judge with his own proprietary BBQ rub. Read More Read Less