President Joe Biden on Monday selected a DLA Piper compliance partner to run the D.C. federal prosecutor’s office, part of his first slate of U.S. attorney nominations.

Matthew Graves ran the fraud and public corruption section of the D.C. U.S. Attorney’s Office prior to joining DLA Piper in 2016. If confirmed, he will lead the largest U.S. attorney’s office in the country and supervise prosecutions of the more than 500 cases tied to the Jan. 6 Capitol riot, including conspiracy cases against groups like the Proud Boys and the Oath Keepers.