Here are some of the attorneys Mueller has hired:

Zainab Ahmad, a top national security prosecutor on detail from U.S. Attorney's Office in the Eastern District of New York.
Rush Atkinson, an attorney on detail from the Criminal Division's Fraud Section at the Department of Justice.
Michael Dreeben, an appellate attorney on detail from the Office of the Solicitor General, described by former colleagues as one of the brightest criminal law experts of the past two generations.
Andrew Goldstein, a public corruption prosecutor on detail from the U.S. Attorney's Office in the Southern District of New York.
Adam Jed, an appellate attorney on detail from DOJ's Civil Division.
Lisa Page, an attorney on detail from the FBI's Office of the General Counsel and a former trial attorney with the Criminal Division's Organized Crime and Gang Section.