Steve Jobs to keynote Macworld Expo 2005 (MacCentral) MacCentral - IDG World Expo on Tuesday announced that Apple Computer Inc. CEO Steve Jobs will once again deliver the opening keynote address for Macworld Conference  amp; Expo  when it returns to San Francisco, Calif. in January. Jobs' keynote is set to take place on Tuesday, January 11, 2005 at 9:00 AM Pacific Time. The convention itself runs from January 10 - 14, 2005.