Brendan Quigley, a former terrorism and securities prosecutor from the Manhattan U.S. Attorney’s Office who won convictions of financial fraudsters and other high-profile defendants, has joined Baker Botts as a partner.

Quigley, who was an associate at Paul, Weiss, Rifkind, Wharton & Garrison before going into government in 2012, joined the firm’s white-collar defense and investigations practice in New York on Monday.