Vaughn Vernon has more than twenty-five years of experience in system, application, and toolkit architecture, design, and development. His experience spans architecture, design, and construction of commercial off-the-shelf and custom component-based frameworks and business applications across a wide variety of industries–including but not limited to healthcare, aerospace, insurance, and telecommunications. Some of his early exposure to domain modeling, the foundation of domain-driven design, came in 1991 with the use of the Smalltalk programming language. He has continually practiced the tenets of domain modeling since then, and was naturally drawn to Eric Evans' work on DDD. He is an experienced speaker, having presented at 2010 conferences including QCon, UberConf, and IASA ITARC. He is the founder and principal consultant for ShiftMETHOD, a Colorado-based business solutions provider.