Robert has been promoted to Parliamentary Under Secretary of State at the Department for Transport, with responsibility for aviation and maritime policy.
Speaking after his appointment, Robert said: "It is a huge privilege and honour to have been asked by the Prime Minister to serve as a Minister in the Department for Transport.
"I am delighted to join the Government with an exciting portfolio which includes driving forward the work of the ‘Jet Zero’ Council - a ground-breaking initiative aiming to deliver a zero-carbon transatlantic flight within a generation.
"I look forward to getting started with this important work."