Vaughn Vernon is a software developer and architect with more than 35 years of experience in a broad range of business domains. Vaughn is a leading expert in Domain-Driven Design and champions simplicity. He consults and teaches around Domain-Driven Design and reactive software development, helping teams and organizations realize the potential of business-driven and reactive systems as they transition from technology-driven legacy web implementation approaches. Vaughn is the founder of the open source (OSS) vlingo/platform, a set of DDD-friendly distributed computing tools that simplify concurrent, reactive, event-driven, and microservices architectures, supporting the JVM https://github.com/vlingo. Vaughn is the author of three books: Implementing Domain-Driven Design, Reactive Messaging Patterns with the Actor Model, and Domain-Driven Design Distilled, all published by Addison-Wesley.