The ethics watchdog who has badgered the Trump administration for months about conflicts of interest says he is leaving the federal government.
Shaub was appointed to a five-year term in 2013.
"It's become clear to me that changes are needed to strengthen the executive branch ethics program", Shaub said Thursday.
"I have had the honor and privilege of serving the American public at the U.S. Office of Government Ethics under three presidents -- George W. Bush, Barack Obama and Donald Trump", Shaub said in a statement. If Trump chooses a career ethics lawyer as OGE's director, that person would likely lead the agency much the way Shaub did, Fox predicts.
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He did not elaborate on what is so wrong with the "current situation", but Shaub has been sharply critical of Trump's approach to ethics compliance since the election. Unlike other Presidents who came before Trump, the President has retained the ownership interest in his businesses.
"We can't create the perception that government leaders would use their official positions for profit", Shaub had said days before Trump's inauguration.
".@realDonaldTrump Brovo! Only way to resolve these conflicts of interest is to divest".
Since Trump began naming appointees following the November election, the ethics office has been racing to keep up with the workload.
In May, his office sent out a tweet quoting the law that appeared, yet again, to be a message for the president: "Public service is a public trust, requiring employees to place loyalty to the Constitution, the laws and ethical principles above private gain". Mr. Shaub will have more freedom to comment on the government's ethics program and propose changes to it.
"There's no such thing as a retroactive waiver", Shaub said last month, promising to keep pressing the White House on the issue. He won that battle at the end of May, when the administration released the information for White House appointees, including chief of staff Reince Priebus, counselor Kellyanne Conway and chief strategist Steve Bannon. Walter Shaub's resignation could potentially leave a hole in the leadership of the US government's ethics program, which helps protect the American public from elected officials using the power of office for personal gain rather than the greater good.