Annie has also won the National Heads-Up Poker Championship where she won $500,000 coupled with the title. An author by profession, Duke started playing poker in the legal card rooms in Billings, Montana. By 2004, she received great attention for tutoring actor Ben Affleck. Ben Affleck then went on to win the 2004 California State Poker Championship.
She was one of the three along with Kathy Liebert and Cyndy Violette to win an open event in 2004’s WSOP. She has voiced her opinion against the restrictions on players during televised tournaments. Duke has also won the second annual World Series of Rock Papers Scissors (WSORPS), which is an annual charity tournament hosted at the World Series of Poker.