When you're the president of the United States, only the best pizza will do - even if that means flying a chef 860 miles.
Chris Sommers, 33, jetted into Washington from St Louis, Missouri, on Thursday with a suitcase of dough, cheese and pans to to prepare food for the Obamas and their staff.
He had apparently been handpicked after the President had tasted his pizzas on the campaign trail last autumn.
'It's surreal, it's a huge honour,' said Mr Sommers, who owns Pi restaurant in St Louis.
'It will be a casual lunch and hopefully we'll have a chance to say hello to the president.'
Mr Somers was accompanied by this business parnter Ryan Mangilardo who will help prepare the dinner for 140 this evening.
It will feature his signature dishes - ten deep dish and ten thin crust creations.
He is also planning a pizza especially for the president - the Hyde Park topped with chicken and hot sauce.
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