Nancy O'Malley
Nancy O'Malley

Nancy O'Malley

Group Executive, Chief Payment System Integrity Officer


Nancy O’Malley is the chief payment system integrity officer at MasterCard. In this capacity, she leads the development and execution of global strategies for marketplace safety and security. These activities include efforts to develop global fraud strategy, invention and innovation in fraud products and solutions, safety and security information and education, and provide thought leadership for industry advancement in safety and security.