William J. Bratton served as chief of the Los Angeles Police Department, chief of the New York City Transit Police, and commissioner of the Boston Police Department and the New York City Police Department (in both 1994 and 2014). Peter Knobler co-wrote Bill Bratton's autobiography, Turnaround. He has collaborated on books with James Carville and Mary Matalin, Sumner Redstone, Kareem Abdul-Jabbar, Ann Richards, David Dinkins, Donny Deutsch, and Tommy Hilfiger. He lives in New York City.
