Macworld organisers IDG World Expo has officially announced that Apple chief executive Steve Jobs will deliver the opening keynote address for next year's Macworld Conference & Expo in San Francisco.

The news, which is no doubt likely to fuel more rumours on what the big cheese is going to announce.

The conference runs from the 14-18 January. The speech will be at 9AM PST (5pm here in the UK) on 15 January 2008 and Pocket-lint will be covering all the news as it happens.

"This is one of the biggest Mac community gatherings of the year and Steve’s keynote is always the most anticipated event of the week", said Mary Dolaher, CEO of IDG World Expo. "We're looking forward to a great show and are thrilled that Steve will once again be kicking it off."

This year, Jobs used his opening keynote to announce the iPhone.