Master (Devyn) Stone is an author, educator, and JEDI consultant. He is a Leatherman, extrovert, a Sons of Anarchy fan, and a foodie. He's been practicing authority transfer dynamics since 2004. Today he lives in Colorado with his property and his doll. Devyn has authored multiple concise and easy to digest BDSM "how-to" books. He is the Founder of Pragmatically Kinking and the Executive Producer for THRIVE.