She was also US Attorney for SDNY from 93-02.
Her successor was James Comey.
Like Comey, she's a high-level fixer.
https://www.rollingstone.com/politics/politics-news/why-isnt-wall-street-in-jail-179414/
Two of the government’s top cops were there as well: Preet Bharara, the U.S. attorney for the Southern District of New York, and Robert Khuzami, the SEC’s current director of enforcement. Bharara had been recommended for his post by Chuck Schumer, Wall Street’s favorite senator. And both he and Khuzami had served with Mary Jo White at the U.S. attorney’s office