Sina Tamaddon (Persian: سینا تمدن, Persian pronunciation: [siːˌnɒː tæmædˈdon]) was senior vice president of applications for Apple Inc. until October 2009.
He also served the company in the position of senior vice president of worldwide service and support, and vice president and general manager of the Newton group.
Before joining Apple, Tamaddon was vice president of Europe with NeXT from September 1996 through March 1997.
Prior to August 1994 Tamaddon worked for Software Alliance w Todd Rulon-Miller.
Prior to joining Software Alliance, Tamaddon worked for NeXT as the sales manager for their Chicago office.