President Trump has named Secretary of State Rex Tillerson's No. 2 at the department.

John Sullivan, an attorney and former Defense Department official in George W. Bush's administration, has been nominated as deputy secretary of state, the White House announced in a press release. Sullivan also served from 2010 to 2016 as the chair of the United States-Iraq Business Dialogue, a governmental advisory committee on United States economic relations with Iraq.

Trump has also tapped John Marshall Mitnick to be general counsel at the Department of Homeland Security. He currently works for the Heritage Foundation and held various positions in George W. Bush's administration, including deputy counsel of the Homeland Security Council from 2004 to 2005.

Gilbert Kaplan has been nominated as under secretary of commerce for international trade. He is currently a lawyer in private practice and has won cases against China.

Marshall Billingslea has been nominated as assistant secretary for terrorist financing at the Department of the Treasury. He currently works for the Deloitte consultancy and has held various positions within the federal government.

The nominees will have to be confirmed by the Senate.