Stephen Kochan is the President of ClassroomM, Inc., a site devoted to education, training, and development of mobile applications. In addition to writing Programming in Objective-C and Programming in Objective-C 2.0, Stephen Kochan is the author and co-author of 10 bestselling books on the C language—including Programming in C (which has sold over 1 million copies), Programming in ANSI C, Topics in C Programming—and on Unix, including Exploring the Unix System and Unix Shell Programming. He has been programming on Macintosh computers since the introduction of the first Mac in 1984 and wrote Programming C for the Mac as part of the Apple Press Library and Beginning AppleScript as part of the Wrox Programmer to Programmer series for Jon Wiley.
Mr. Kochan spent several years working at AT&T Bell Laboratories. While he was there, he worked on performance measurement tools and developed and taught courses in C programming and the Unix System.
Mr. Kochan is also the former CEO and President of Pipeline Associates, Inc. a software company which he founded in 1985. The company specialized in developing printer language interpreters and licensed its technology to preeminent printer manufactures such as Sharp, Konica, Hitachi, Mitsubishi International, Fujitsu, Kodak, Sharp Electronica, and Electronics for Imaging (EFI), Inc. While at Pipeline, Mr. Kochan developed a patent for imaging pages in printers with reduced memory.