Rosen was previously a senior partner with the Kirkland & Ellis law firm based in Chicago, where he worked for nearly 30 years, according to the White House. He has served as General Counsel in the Department of Transportation and the Office of Management and Budget Administration of President George W. Bush.
A graduate of Northwestern University and Harvard Law School, Rosen has taught as Adjunct Professor at Georgetown University's Law Center and has chaired the American Bar Association's Administrative and Regulatory Law Section, according to the White House. .
Mr. Barr congratulated Rosen, whom he has known for more than 20 years, as an experienced manager and litigator.
"Jeffrey Rosen is a prominent lawyer who has served at the highest levels of government and the private sector," Barr wrote in a statement, citing Rosen's experience "of his complex litigation experience in court. "state and federal" and his current position at DOT. directs 50,000 employees. "
"His years of outstanding legal and management experience make him an excellent choice to succeed Deputy Attorney General Rod Rosenstein, who has served the Department of Justice for many years with dedication and distinction," he said. added Barr.
Rosen, who has never worked at the Department of Justice, will oversee the day-to-day management of the department.
The succession of Deputy Attorneys General is also revealing of its implications for the Mueller investigation, since Rosenstein has signaled to other officials that he will leave if he is satisfied that Mueller's investigation was either complete or sufficiently close to be sufficiently protected. An informed leader of the discussions said that Rosenstein wanted to ensure a smooth transition, which includes the Mueller investigation.