Carl Karsten is a python developer from Chicago,IL. He is an active member of chipy. Also, he has administered recordings at confrences at PyCon and will be giving a workshop on recording.

Dennis Gilmore: Born and raised in Australia, Dennis Gilmore now resides in the U.S., and is currently a Release Engineer at Red Hat for spacewalk. He has previously worked for One Laptop Per Child(OLPC) as a build and release engineer. He used to be on the EPEL steering committee and the Fedora Board, and is currently a member of the Fedora Engineering Steering Committee(FESCo) and Fedora InfraStructure.

Wen-mei W. Hwu is the Walter J. ("Jerry") Sanders III-Advanced Micro Devices Endowed Chair in Electrical and Computer Engineering in the Coordinated Science Laboratory of the University of Illinois at Urbana-Champaign. From 1997 to 1999, Dr. Hwu served as the chairman of the Computer Engineering Program at the University of Illinois. Dr. Hwu received his Ph.D. degree in Computer Science from the University of California, Berkeley.

Rob Landley started programming at age 12. He's spoken at Ottawa Linux Symposium, wrote the kernel's initramfs documentation, co-founded Penguicon, maintained BusyBox and set up open source license enforcement for it through the SFLC, wrote three years of weekly investment columns for the Motley Fool, and once threw a bowl of liquid nitrogen into a swimming pool which has since been viewed over 3 million times on youtube. He currently maintains the Firmware Linux embedded build system, which cross compiles so you don't have to.

Ryan Schultz is the co-founder of Studio Wikitecture, coined by Job Brouchoud out of their application of an open-source paradigm to the design and production of both real and virtual architecture and urban planning. Studio Wikitecture is a group that has integrated Web 2.0 and the currently emerging 3-dimensional web, for designing and building more efficiently. He has received both ‘Founder’s Award’ and 3rd Place for the Open Architecture Network’ Challenge -- a competition to design a tele-medicine facility in Western Nepal for his work on this project.

Francisco Tolmasky is a co-founder of 280 North and the creator of the Objective-J programming language. Before this, Francisco was an early member of the iPhone team at Apple, working on Mobile Safari and Maps as well as designing the Web SDK. At 280 North he is helping to bring desktop-class applications to the browser with their new open source framework, Cappuccino. They recently launched 280 Slides, a web presentation tool and the first application built on Cappuccino.

Bart Trojanowski is an embedded Linux consultant and driver developer from Ottawa, Canada. Bart has been hacking on big- and small-embedded devices running Linux for over a decade.

While working, or just hacking, Bart has always depended on source code management (SCM) software to keep his source safe. He's tried countless such tools and settled on Git, and today he wouldn't think of using anything else.

Ken Wasetis founded Contextual Corporation, a company that offers open source solutions to their clients' collaboration needs with open source technologies. He previously was involved in the .com boom in Chicago as a consultant, working with Java, Oracle, and DB2 for enterprise systems. Ken pushes open CMSs and other open source software for use in businesses through his work in Contextual Corp.