Patricia “Patty” Walters is senior vice president of corporate EMV strategy at Vantiv, the largest PIN debit acquirer in the United States. Patty is responsible for the design and management for EMV across both the Merchant and Financial Institution segments, a hectic job with the deadline looming on October 1, 2015 for the much-discussed Payment Networks’ Liability Shift associated with EuroPay, MasterCard, and Visa (EMV) to take effect in the United States.