Jordan Carswell has been a web developer in Higher Education for the past twelve years. He has used Plone to develop websites in a variety of contexts, from small grants to large institution-wide projects.

Steve McMahon lives in Davis, California, and works as a Plone consultant and integrator with Reid-McMahon, LLC, which specializes in working with non-profit organizations. He's currently secretary of the Plone Foundation, caretaker for PloneFormGen and is working on several new features for Plone 4.0.

Steve is one of the authors of Practical Plone, and was a technical reviewer for Plone 3 Theming.

Denys Mishunov is a Plone expert specializing in Plone themes development since early 2004. During his Plone career, he worked as a freelancer with many Plone consulting companies distributed all over the world and participated in a large number of Plone projects by providing services in design and Plone themes development. Denys is the Plone core contributor and author of some publicly available add-ons for Plone. Originally working as a freelancer in Ukraine, he has established one of the first Plone 3 projects in the world, Web Couturier, some days before the official release of Plone 3. The project doesn't exist in its original form anymore, but has provided some, previously commercial, packages as open source products for Plone Collective.

In 2008, Denys moved to Norway to work with one of the leading Plone consulting companies, Jarn (ex-Plone Solutions).

Denys was also a technical reviewer for the book Plone 3 Theming by Veda Williams.

Jeffrey G. Pittman, Ph.D., is a geologist with an interest in paleontology, sedimentology and stratigraphy, and computer applications. He has studied dinosaur fossils and footprints in the South-Central and Western United States and in Mexico, emphasizing the Cretaceous Period. He has taught geology in college for over 20 years, most recently using Linux servers, Python, and Zope/Plone for content delivery, discussion, and student work.