Kruger Cowne, the speaker agency, is bringing the music and news stars to its stand to speak to visitors and sign autographs.
Visitors to the stand will be able to enter a prize draw to win dinner for two with the pair at The Ivy in London.
"This is the first time that two such high profile celebrities have been brought to a trade exhibition of this kind," said Kruger Cowne CEO Mark Cowne.
Separately, Kruger Cowne said it has just enjoyed its most successful January since the company opened in 2003, with bookings not just up on 2008-9 but on pre-recession levels.
"Whilst some markets, especially the US, were heavily hit by the global recession others, like the Far East and Scandinavia, remained fairly buoyant and, because of our international capability, we were able to take full advantage of this change of emphasis," said Cowne.
Sir Bob Geldof will visit the stand on Wednesday 24 February from 10.30am-11.30am and John Simpson will be available on Thursday 25 February from 11.30 am-12.30pm.
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