The White House is shaking up its communications staff with a pair of promotions and one new addition, press secretary Sarah Huckabee Sanders said Thursday.

Sanders told CBS News that Steven Groves will join the press team to handle issues related to the Department of Justice (DOJ) and legislative affairs. He will handle the White House response to congressional investigations into the administration, Sanders said.

Groves joined the White House in 2017 as an assistant special counsel. Prior to that, he served as chief of staff to former U.S. Ambassador to the United Nations Nikki Haley Nimrata (Nikki) Haley'The soul' versus 'law and order' Author Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' GOP lobbyists pleasantly surprised by Republican convention MORE.

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His transition comes as the House Oversight and Reform Committee has already launched an investigation into the White House security clearance process, and lawmakers have expressed a desire to examine the president's finances and the administration's response to Hurricane Maria, along with other subjects.

In addition to Groves joining the staff, Sanders told CBS that White House spokesman Hogan Gidley has been promoted to principal deputy press secretary. He has essentially filled that role since Raj Shah was reassigned to handle communications around Supreme Court Justice Brett Kavanaugh Brett Michael KavanaughMomentum growing among Republicans for Supreme Court vote before Election Day Remembering Ginsburg's patriotism and lifelong motivation Collins: President elected Nov. 3 should fill Supreme Court vacancy MORE's nomination.

Shah has since left the White House, and earlier this year was announced as the co-leader of the new strategic communications division of Ballard Partners.

Judd Deere has been promoted to deputy press secretary, with a focus on energy, NASA and the Department of Housing and Urban Development, Sanders said. Deere previously served as the director of state communications in the White House.

The White House later on Thursday formally announced the changes.

The White House press staff has seen much of the same turnover as the rest of the Trump administration. Former press secretary Sean Spicer Sean Michael SpicerKellyanne Conway to leave White House at end of month Pro-Trump duo Diamond and Silk launch new program on Newsmax TV The Hill's 12:30 Report - Presented by Facebook - Supreme Court's unanimous decision on the Electoral College MORE departed the role in July 2017, and former communications director Anthony Scaramucci Anthony ScaramucciFormer DeVos chief of staff joins anti-Trump group Scaramucci to Lemon: Trump 'doubling down' on downplaying virus 'should scare' viewers Sunday shows - Leaked audio of Trump's sister reverberates MORE had a notoriously short-lived tenure that same summer.

Hope Hicks Hope Charlotte HicksSenate intel leaders said Trump associates may have presented misleading testimony during Russia probe: report Cuomo turned down Trump invitation to participate in April press briefing: report Trump shakes up White House communications team MORE and Josh Raffel left their roles on the communications team in 2018.