President-elect Donald Trump asked New York congresswoman Elise Stefanik to join his administration as US Ambassador to the United Nations, CNN reported Sunday.The post — a high-profile national security role that comes with offices and a residence in New York City — would bring one of Trump’s highest-profile congressional allies into his administration.

Stefanik serves as House Republican Conference Chair and has long been one of Trump’s most loyal allies in the House.

Donald Trump will nominate New York congresswoman Elise Stefanik to join his administration as U.S. ambassador to the United Nations, the president-elect told the New York Post on Sunday. “Elise is an incredibly strong, tough, and smart America First fighter,” Trump said in a statement to the newspaper announcing his decision.