Spiegelman is the Shamus Award-winning author of Black Maps (Knopf, 2003), Death's Little Helpers (Knopf, 2005), and Red Cat (Knopf, 2007), which feature private detective and Wall Street refugee John March. Mr. Spiegelman is a twenty-year veteran of the financial services and software industries, and has worked with banks, brokerage houses and central banks in major markets.