Tim is a full-stack generalist and passionate teacher who loves coding, presenting, and working with people. He is founder and principal software developer at the August Technology Group, a technology consulting firm focused on the JVM. He is a speaker internationally and on the No Fluff Just Stuff tour in the United States, co-presenter of the best-selling O'Reilly Git Master Class, and is co-president of the Denver Open Source User Group. He has recently been exploring build automation, non-relational data stores, and abstract ideas like how to make software architecture look more like an ant colony. He lives in Littleton, CO with the wife of his youth and their three children. Matthew McCullough is an energetic 15 year veteran of enterprise software development, open source education, and co-founder of Ambient Ideas, LLC, a Denver consultancy. Matthew currently is a member of the JCP, reviewer for technology publishers, author of the Presentation Patterns & Anti-Patterns book, multi-year speaker on the No Fluff Just Stuff tour, presenter at dozens of international conferences, author of three of the 10 most popular DZone RefCardz and President of the Denver Open Source Users Group. His current topics of research center around project automation, including: build tools (Gradle, Leiningen, Maven, Ant), distributed version control (Git, Mercurial), testing frameworks (Geb, Spock, JUnit, TestNG, Mockito), continuous integration (Jenkins, Hudson, Bamboo) and code quality metrics (Sonar, CodeNarc, PMD).