Jiří Činčura is an independent developer focused on clean code, language constructs, and databases, all applied to mostly backend-related stuff. He is a project lead for ADO.NET, a provider for the Firebird project, and the Entity framework support maintainer for the NuoDB database. He's currently creating custom applications for a living for various customers in Europe as well as companies from other countries. Other than that, he conducts training sessions and consultations about new technologies to provide customers with the best information possible to deliver applications in a shorter time and with better maintainability. When he's not programming or teaching, he spends time participating in ultrarunning races.

Brian C. Galura spent his childhood tinkering with subjects such as Java programming and Linux. His professional experience started with VoIP testing at 3Com in suburban Chicago. He then spent 2 years studying computer engineering at Purdue University, before leaving to pursue freelance consulting in Los Angeles. Following several years of freelancing, he developed his expertise in enterprise infrastructure and cloud computing by working for a variety of start-ups and large corporations. Later, he completed a bachelor's in IT while working at Citrix. He is currently working on Citrix's cloud engineering and systems architecture team in Santa Barbara, California.

Mark Takacs got his first job in the early '90s as the only applicant with HTML experience. Since then, his road to DevOps has spanned traditional MVC software development on LAMP and Java, frontend web development in JavaScript, HTML, CSS, network administration, build and release engineering, production operations, and a large helping of system administration throughout. He currently lives and works in Silicon Valley.

Robert Williamson is a senior software engineer working mainly on the development of a graphics engine for flight simulators; he enjoys designing and developing real-time solutions. Before that, he worked in the Computer Graphics and Image Understanding Lab at the University of Missouri Columbia while earning his bachelor's and master's in computer science. His other interests include data visualization, data mining, computer vision, and machine learning. During his spare time, he enjoys traveling and backpacking through national parks.