American Airlines Group Inc. yesterday announced that Ralph Lopez has been promoted to Vice President – Miami Hub (MIA) Operations.

He is succeeding Marilyn DeVoe, who will retire from American this summer after nearly 40 years with the airline.

Lopez has been with American for more than 20 years and most recently served as Managing Director – London Heathrow Operations.

DeVoe has led the MIA hub since 2010. In this role, she has played an integral part in establishing American as the preeminent carrier to Mexico, the Caribbean and Latin America.

American’s chairman and CEO Doug Parker said, “Marilyn has been an important part of American Airlines for almost four decades."