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Review the Hillside Group Bylaws

Joseph YoderJoseph Yoder   -   President

Joseph (Joe) Yoder (agilist, computer scientist, speaker, and pattern author) is the founder and principal of The Refactory, a company focused on software architecture, design, implementation, consulting, and mentoring on all facets of software development. Joe has presented many tutorials and talks, arranged workshops, given keynotes, and helped organize leading international agile and technical conferences. He is best known as an author of the Big Ball of Mud pattern, which illuminates many fallacies in software architecture. Joe teaches and mentors developers on Agile and lean practices, architecture, building flexible systems, clean design, patterns, refactoring, and testing.

Mary Lynn MannsMary Lynn Manns   -   Vice-President / Secretary

MaryLynn Manns, PhD is the co-author of two books, Fearless Change: Patterns for Introducing New Ideas, 2005 (also published in Japanese and Chinese) and More Fearless Change: Strategies for Making Your Ideas Happen, 2015, and a Professor Emerita at the University of North Carolina in Asheville. She has given numerous presentations on change leadership at events throughout the world and in many organizations that include Microsoft, Procter & Gamble, Avon, and Amazon. 

Kyle BrownKyle Brown   -   Treasurer

Kyle Brown is an IBM Fellow and Vice President and the CTO to the CIO of IBM. He has over 25 years of experience in designing and implementing large-scale systems. Kyle leads a team responsible for helping our customers adopt IBM’s cloud technologies and build applications using IBM's cloud products and he is a world-recognized expert on topics in the cloud, Java, and software architecture. He publishes often, conducts webinars, and is the author of ten books including the recent "Cloud Adoption Playbook" published in 2018 by Wiley. You can find all of his publications linked at

Rebecca Wirfs-BrockRebecca Wirfs-Brock   -   Member/Director

Rebecca Wirfs-Brock is an internationally recognized leader in the development of object design methodologies. She invented the set of development practices known as Responsibility-Driven Design. Among her widely used innovations are use case conversations and object role stereotypes. She is the regular design columnist for IEEE Software and the author of the classic text, Designing Object-Oriented Software. Her most recent book, Object Design: Roles, Responsibilities and Collaborations, was published in 2002.  

TakashiIbaTakashi Iba   -   Member/Director

Takashi Iba is an associate professor at the Faculty of Policy Management and the Graduate School of Media and Governance at Keio University, Japan. He received a Ph.D. in Media and Governance from Keio University in 2003. With collaborating with his students, Dr. Iba created many pattern languages concerning human actions. He authored Learning Patterns (2014), Presentation Patterns (2014), Collaboration Patterns (2014), Survival Language (2015), Words for a Journey (2015) and many academic books in Japanese such as the bestselling Introduction to Complex Systems (1998)."

Eduardo GuerraEduardo Guerra   -   Member/Director

Eduardo Guerra is a Researcher at the Free University of Bozen-Bolzano, Italy. The focus of his research can be defined as “find better ways to develop software”, which includes patterns, programming approaches, and processes to be used by the development team. His research fields include: framework development; software architecture; code annotations and metadata; software startups; agile software development approaches; software visualization; and test-driven development.

Christian Kohls   -   Member/Director



Michael Weiss  -   Member/Director



Indu Alagarsamy   -   Member/Director



Valentino Vranić   -   Member/Director



Richard P. Gabriel   -   Emeritus Member



Neil Harrison   -   Emeritus Member



Ademar Aguiar   -   Emeritus Member



Dr. James Noble   -   Editor in Chief

James Noble is Professor of Computer Science and Software Engineering at Victoria University New Zealand. He is the author of Small Memory Systems: Patterns for Systems with Limited Memory (with Charles Weir), the editor of Prototype-Based Programming and Pattern Languages of Program Design 5 (with various co-editors). He has published many papers on object-orientation design patterns, aspects, software visualisation and software engineering in international academic conferences and journals.


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