An excerpt from the Main Justice article:
In his 11 years in the Southern District office [USAO SDNY], he has prosecuted cases ranging from trade secret theft to art fraud. In 2012, he helped indicted the Swiss bank Wegelin & Co., the first time an overseas bank has been charged for facilitating tax fraud by Americans.See also, Federal Prosecutor Daniel Levy Joins McKool Smith (WSJ 8/19/13), here.