Serlet has been Apple’s vice president of Platform Technology, managing the largest part of the Mac® OS software engineering group. He joined Apple in 1997 and has been a key player in the definition, development and creation of Mac OS X. Before joining Apple, Serlet spent four years at Xerox PARC, then joined NeXT in 1989. Serlet holds a doctorate in Computer Science from the University of Orsay, France.