The former prosecutor is leaving a firm that made ​a deal with the Trump administration for one that fought it.

A former federal prosecutor who joined Paul Weiss in the month leading up to President Trump’s second term left for Jenner & Block. New York-based partner Damian Williams will co-chair Jenner’s litigation department and investigations,

Jeh Johnson, the prominent Democrat and former Homeland Security Secretary, also announced last month he was leaving the firm, while Steven Banks, who had been head of the firm’s pro bono practice, departed in April, citing a desire to return to direct advocacy work.