The K&F press release is here. According to the press release:
Ms. Ciraolo and Mr. Nanavati will focus on complex and sophisticated civil tax controversies, including sensitive audits, administrative appeals, and litigation in in the U.S. Tax Court, federal district and appellate courts, and state tax tribunals; related tax advice, including advice on uncertain tax positions, financial reporting, claims for refund, amended returns, voluntary disclosures, and internal investigations; and representation of individuals and institutions in white collar and criminal tax investigations and prosecutions.Their bios on the K&F web site are Ciraolo, here, and Nanavati, here.