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Josh Skeen

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.