Joseph W. Yoder is a founder and principal of The Refactory, Inc., a company focused on software architecture, design, implementation, consulting and mentoring on all facets of software development. Joseph is an international speaker and pattern author, long standing member of the ACM, and the President of The Hillside Group, a group dedicated to improving the quality of software development. Joseph specializes in Architecture, Analysis and Design, Java, C#/.NET, Smalltalk, Patterns, Agile Methods, Adaptable Systems, Refactoring, Reuse, and Frameworks. Additionally, Joe is an accomplished author, having written a few dozen published papers, including being an author of the Big Ball of Mud pattern, which illuminates many fallacies in the approach to software architecture. Additionally Joe has trained and mentored developers on various types of software applications.
Joseph W. Yoder evolved from the Software Architecture and Patterns group at the University of Illinois. Joe has worked on various projects during his career that ranges from stand-alone to client-server applications, web applications, web services, cloud computing, service oriented architecture, multi-tiered, various databases, object-oriented, frameworks, human-computer interaction, collaborative environments, and domain-specific visual-languages. In addition these projects have spanned many domains, including Medical Information Systems, Financial Systems, Ordering, Import, Invoicing, Print, Shipping, Warehouse Management, Manufacturing, Medical Examination, Statistical Analysis, Scenario Planning, Client-Server Relational Database System for keeping track of shared specifications in a multi-user environment, Telecommunications Billing System, and Business & Medical Decision Making.
Joe teaches Agile Methods, Design Patterns, Object Design, Refactoring, and Testing in industrial settings and mentors many developers on these concepts. Other projects involve working in both the Java and .NET environments deploying Domain-Specific Languages for clients. Joe presents tutorials and talks, arranges workshops, and organizes leading technical conferences held throughout the world, including international conferences such as Agile, CBSoft, JAOO, QCon, PLoP, OOPSLA, ECOOP, SATURN, and SPLASH. Joe thinks software is still too hard to change. He wants do something about this and believes that using good patterns and putting the ability to change software into the hands of the people with the knowledge to change it seems to be one promising avenue toward solving this problem. Joe currently resides in Urbana, Illinois.