Review the Hillside Group Bylaws

Joseph 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.

Mary 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 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 http://www.kyle-brown.com.

Indu Alagarsamy   –   Member/Director

Christopher Aaron Barney   –   Member/Director

Christopher Barney is a game designer, professor, and pattern author. He teaches game design at Northeastern University using patterns as part of a core pedagogical loop as discussed in his patterns in pedagogy paper. The second edition of hisPattern Language for Game Design textbook will be published in December 2025. He maintains the Pattern Library for game design patterns which contains a collection of over 3,500 patterns.

Rebecca Wirfs-Brock   –   Member/Director

Rebecca Wirfs-Brock is an object-technology pioneer who invented the set of design practices known as Responsibility-Driven Design (RDD). Throughout her career she has been a strategic technologist, advisor, software architect, principal software engineer, and manager. In addition to writing patterns and essays she authored two influential texts: Designing Object-Oriented Software and Object Design: Roles, Responsibilities, and Collaborations. More recently, in Design and Reality, she published a collection of essays on modeling and design. She's interested in understanding the cognitive and social aspects of software development as well personal design heuristics and their relationships to software patterns.  

Takashi 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)."

Christian Kohls   –   Member/Director

Rebecca Rikner   –   Member/Director

Michael J. Salé   –   Member/Director

Associate Professor of Business Administration, Management & Business Analytics Chair, Management Information Systems Program Director, Data Analytics Minor Program Director

Mary Tedeschi   –   Member/Director

Branislava Vranić   –   Member/Director

Valentino Vranić   –   Member/Director

Valentino Vranić is a professor of computer science at Pan-European University, Bratislava, Slovakia. His scientific focus is on the methodology of software development with a particular interest in interconnecting realizational (code) and organizational (people) perspective of software development, especially through patterns and in the context of agile and lean way of software development.

Michael Weiss   –   Member/Director

Richard P. Gabriel   –   Emeritus Member

Neil Harrison   –   Emeritus Member

Ademar Aguiar   –   Emeritus Member