Josh Skeen is a software engineer and instructor at Big Nerd
Ranch. A graduate of the Cooper Union for the Advancement of
Science and Art, he discovered software as a medium for creating
interactive art and has been hooked ever since. When not in front
of a computer, you can find him running, practicing Brazilian
jiu-jitsu, or creating patches for his modular synthesizer.
David Greenhalgh is an Android developer and instructor at Big Nerd Ranch, where he loves to build new things. He has a degree in computer science from the Georgia Institute of Technology. When he's not writing Android apps or developing courses, he can be found cooking, reading, or being disappointed by the Buffalo Bills.