Vincent Lisi, who was the special agent in charge of the Boston FBI field office is leaving to join the private sector his spokesperson Kristen Setera said.
Lisi, a 26 year bureau veteran, spent time leading the FBI's Counterintelligence Division and was deputy assistant director in 2012.
Since taking over the Boston division Lisi, "has overseen many significant investigations, including the counterterrorism investigations arising from the Boston Marathon bombings and the disruption of the Sinaloa Cartel, an international drug trafficking organization led by the notorious drug lord Joaquim Guzman-Loera, also known as El Chapo," according to a press release.
"He also oversaw the investigation of Massachusetts tate probation officials and the investigation of the former speaker of the Rhode Island House of Representatives, among other high-impact FBI cases," it noted.
Steve Mellin, one of the U.S. Attorneys who prosecuted Tsarnaev told NBC News, "Vince is truly the consummate FBI agent — intelligent, affable, wise, and he has impeccable judgment. He will be missed."