About the Author
Joe Conway, iPhone instructor for The Big Nerd Ranch, has been writing software on the Mac platform since he was a teenager, and began consulting and training for The Big Nerd Ranch shortly after graduating from the University of Wisconsin.
Aaron Hillegass, CEO of Big Nerd Ranch, has more than 18 years of experience as a software engineer and developer trainer. He wrote the Big Nerd Ranch course on Cocoa, drawing from his experiences working at Apple and NeXT as senior trainer and curriculum developer. He is author of Cocoa Programming for Mac OS X (Addison-Wesley), the definitive guide to Cocoa programming.