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,

Damian Williams joined Paul Weiss Rifkind Wharton & Garrison in January shortly after stepping down as one of the nation’s top federal prosecutors. He is taking a job with Jenner & Block.