On April 15, 2019, Acting Secretary of Homeland Security Kevin McAleenan designated John P. Saunders as the senior official performing the functions and duties of the Commissioner of the U.S. Customs and Border Protection (CBP) [PDF version]. Saunders is the CBP’s Chief Operating Officer. Despite being designated as the Acting Secretary of DHS on April 11, 2019, McAleenan remains the Commissioner of the CBP. Because of his new responsibilities as Acting Secretary of Homeland Security, McAleenan designated Saunders to run the CBP in his stead. As of this date, President Trump has not announced a nominee for the post of Secretary of Homeland Security.