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
Hi, I’m Joe.
I’d describe myself as an Agilist, Computer Scientist, Consultant, All Around Good Guy!
I’m a founder and principal of The Refactory, Inc., a consulting and mentoring business. I’m President of the non-profit called The Hillside Group—a group dedicated to improving the quality of software development.
I’m also a speaker, pattern author, and co-author of the Big Ball of Mud pattern, which illuminates many fallacies in the approach to software architecture.
Latest Book

Work with me
I am available for training, consulting, and mentoring.
The Refactory
Joe founded The Refactory, a consulting company that provides top-notch consulting, mentoring, and training services to software development teams.
Adaptive Object Models
Adaptive Object Model Researcher and Design Pattern Writer Joe has been involved for quite some time working on and deploying Adaptive Systems or Domain-Specific Languages for clients
Personal Interests
Joe resides in Urbana, Illinois. He runs two companies, works on software projects, authors pattern papers, and enjoys the life of a traveler and consultant.
Papers and Publications over the Years
I’ve written papers for conferences and publications over the years.
Caterpillar
The ability to effectively transfer technical knowledge is a highly prized skill for a consultant and I believe Joe does very well at this. Joe is equal parts technician and mentor, and that is a highly potent combination.
Iron Mountain
Joe Yoder brings visionary leadership and deep technical insight to every project, consistently turning complex operational challenges into high-impact, scalable solutions that deliver real business value.
PagBank
For over two decades, Joe Yoder has been a trusted mentor and transformative software advisor, elevating teams with his deep architectural expertise, practical leadership, and exceptional ability to translate complex concepts into effective, scalable solutions.