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Troy Frever discovered XP in 2000, after two decades as a professional software developer. Since then he has been an Extreme Programmer and Coach for a number of companies in the Seattle area, including Active Voice, Cisco Systems, Quicksilver Technology, Aviarc Corporation, and RealNetworks. He is currently having a grand time as a member of the agile development team at Smilebox, Inc. in Redmond, WA. When he's not writing unit tests or refactoring mercilessly, Troy enjoys backpacking and skiing with his family and playing Ultimate Frisbee. Troy is also an organizer of the Seattle Extreme Programming Users Group (SXPUG).
Diana Larsen currently serves as Chair of the Agile Alliance Board of Directors. As a partner and consultant with FutureWorks Consulting, she works with managers, leaders, and teams to create resilient workplaces, improve project performance, and thrive in times of change. She consults on adopting agile approaches and leads team, project, and whole system processes for collaborative thinking and planning.

Diana co-authored Agile Retrospectives: Making Good Teams Great! with Esther Derby and writes occasional blog posts and articles.

Patrick Logan is a well-known Portland developer who participates in a number of local groups. He works for Liberty Mutual Agency Markets on open source software.

You can read his blog at

Charlie Poole has spent more than 30 years as a software developer, designer, project manager, trainer and coach. After a long career in IT for a local government agency, he has managed an independent consultancy since 1995, with clients ranging from government agencies to internet startups. Through his company, PooleConsulting, he works with teams to help them adopt agile practices and with managers to help them understand how to work with agile teams.

Charlie specializes in the role of tests in agile development and regularly presents workshops on topics like Test-Driven Development and Communicating with Tests. He is the primary maintainer of the open source NUnit Test Framework, supporting cross-platform development of managed code, and the author of the NUnitLite embedded framework. He is currently working on a number of test-integration tools, including one for the Visual Studio environment.

Charlie maintains a developer-oriented web site at and a blog at He developed and hosts the Agile Open Northwest site.

Rebecca Wirfs-Brock, president of Wirfs-Brock Associates, specializes in the transfer of analysis and design expertise to organizations through training, mentoring, and consulting. Rebecca invented the set of design practices known as Responsibility-Driven Design and is an innovator in practical techniques. Her most recent book is Object Design: Roles, Responsibilities, and Collaborations (Addison-Wesley, 2003). Rebecca and her associates excel at helping teams develop solutions which support planned variations. Throughout training and consulting, Wirfs-Brock Associates employ the principles of Responsibility-Driven Design and fluidly move between details and "big picture" thinking. Rebecca's clients are energized to incrementally implement and communicate solutions to complex problems.

Rebecca is the design columnist for IEEE Software and blogs at A former Agile Alliance board member, Rebecca is active in the Agile, OOPSLA, and Software Development Best Practices conferences.

Monica Yap is the Engagement Manager for SolutionsIQ, focused on building and leading successful Agile teams for outsource projects. Monica has over 16 years of development experience and 8 years of leading agile teams experience, providing quality products through the use of continuous refactoring, unit testing, pair programming, small releases, and an evolving architecture. She has worked with distributed Agile teams over 4 years (US, UK, Singapore). She and her teams have demonstrated tremendous successes, with 90% of the iterations have delivered on time, met or exceeded customer expectations.

Monica is a regular presenter at conferences (including Agile2005, Agile2006, and Agile2007) and volunteer technical and process groups including; the Seattle Agile user group, Seattle Java user group, and Seattle APLN.

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