Trump's chief of protocol pulled off the job ahead of g-20

U.S. President Donald Trump speaks before signing an executive order aimed at requiring hospitals to be more transparent about prices before charging patients for healthcare services, at the

White House in Washington, U.S. June 24, 2019. Erin Scott | Reuters WASHINGTON — The Trump administration's chief of protocol in the State Department has been pulled off the job just

ahead of the G-20 summit amid an investigation into allegations of discrimination and harassment, U.S. officials said. He is not expected to return to his job. Two U.S. officials said that

employees in the chief of protocol's office had been informed that Ambassador Sean Lawler had been suspended indefinitely pending the outcome of the investigation. A third official said

that Lawler had told the State Department's leadership he planned to submit his resignation to President Donald Trump after the G-20 summit, which starts Friday in Osaka, Japan.

Lawler, a political appointee, was nominated by Trump to the position in September 2017 and given the rank of ambassador. He was confirmed by the Senate in November 2017. MORE FROM NBC NEWS:

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Wayfair workers to walk off job to protest furniture sales to migrant detention centers Mary-Kate Fisher, the assistant chief of protocol, will attend the summit instead, the officials said.

The State Department declined to comment. An employee who answered the phone Tuesday in Lawler's office said he was out of the office. Lawler declined to comment on the record. The

U.S. officials who told NBC News about Lawler's situation declined to elaborate on the specifics of the allegations, other than to say that numerous employees in his office had resigned

in protest of his management and behavior. A senior position in U.S. diplomacy, the chief of protocol is responsible for ensuring diplomatic etiquette and overseeing the production of

high-level diplomatic meetings, such as bilateral meetings with the U.S. president, vice president and secretary of state. As a result, the chief of protocol often attends important meetings

overseas and interacts close-up with foreign leaders, including kings, queens and heads of state. The suspension comes just as Trump prepares to fly to Osaka. The summit brings together

leaders from 20 nations and is a Super Bowl of sorts for diplomats who work on protocol, which involves managing ceremonial details to help create "an environment for successful

diplomacy," according to the State Department's website. A regular participant in Trump's foreign visits, Lawler was sworn in at the end of 2017, but has been in the U.S.

government for almost three decades, according to his official State Department biography. His bio says he served more than 20 years in the Navy and also has worked in the White House's

National Security Council.