Verhofstadt, an MEP and former Prime Minister of Belgium, is one of the key figures on the EU side of negotiations.
He leads the European MEPs’ negotiating team, which is a crucial role as the European Parliament will have to ratify any Brexit deal between the EU and the UK.
Verhofstadt will be giving a keynote speech at the WTM Leaders’ Lunch on November 6, the first day of the show at the ExCeL exhibition centre.
Simon Press, senior director, WTM London, said: “I am delighted we have someone as prestigious and influential as Guy Verhofstadt at our Leaders’ Lunch.