Rap Payne started Agile Gadgets, a mobile app development company in 2003. Through it, Rap is a consultant, trainer, and entrepreneur who has written apps, mentored developers, and taught software development classes for Fortune 500 companies like Boeing, Walmart, Coca-Cola, Wells Fargo, Honda, CVS, Chase, HP, Lockheed, Exxon-Mobil, Lowe's, Nike, J.C. Penney, USAA, Raytheon, and government agencies like the NSA, the FBI, US Air Force, Navy, Army, NASA, Britain's GCHQ, Canada's postal service, and several provincial governments, to name a few. As a professional mentor and trainer, Rap has mastered teaching highly complex ideas in easy-to-understand ways. And as a real-world developer, he understands the need to teach these topics using practical and realistic examples and exercises. Rap and his wife Becky have been married for over 30 years. In addition to their five children (all home educated), Rap is a spiritual father to many younger men whom he has mentored over the years. Rap is a middle-of-the-pack marathoner, triathlete, and power lifter.