Social networking platform Twitter beefed up its legal team with the addition of Jim Baker as deputy general counsel.

Baker’s hiring was announced by Twitter General Counsel Sean Edgett. “Jim is committed to our core principles of an open internet and freedom of expression, and brings experience navigating complex, global issues with a principled approach,” Edgett tweeted.

Baker served as general counsel for the Federal Bureau of Investigation from January 2014 until he was reassigned in January 2018. He stayed on at the FBI as a senior strategic advisor until May 2018, according to his LinkedIn profile.

Most recently, Baker has held the role of director of national security and cybersecurity at think tank The R Street Institute since January 2019.