Reuters has reported that White House deputy chief of staff Joe Hagin is resigning. White House officials made the announcement on Tuesday. Hagin led the U.S. advance team for President Donald Trump’s summit with North Korean leader Kim Jong Un in Singapore. He plans to return to the private sector after stepping down on July 6. In a statement, Trump wrote, "Joe Hagin has been a huge asset to my administration. I am thankful for his remarkable service to our great country."