Leading architect Sir Terry Farrell claimed a new runway would kick start an Olympic-style boost for the economy of South London.
Sir Terry has been commissioned to draw-up plans for expanding the airport as part of a new campaign called "Gatwick Obviously".
More top news
Services on major rail routes between London and south west England have been severely disrupted after a person was hit by a train.
The business executive, whose ruthless interviewing technique has won him many fans, is replacing Nick Hewer, who quit after a decade.
Recent opinion polls show Labour within striking distance of capturing the trophy seat of Finchley and Golders Green.