About the IAPP

JoAnn C. Stonier is the Chief Data Officer for MasterCard. She is responsible for worldwide privacy compliance and information governance for the enterprise. Ms. Stonier is responsible for identifying MasterCard’s data strategy as an element of the company’s product and business strategy as well as for the management of privacy and data protection compliance and regulatory engagement on a global basis. Ms. Stonier and her team of global professionals help business colleagues understand the opportunities associated with MasterCard’s information assets as well as understand the risks and relevant legal requirements that need to be addressed related to the collection, use and disclosure of personal data.  

Prior to joining MasterCard in 2008, Ms. Stonier was the Chief Privacy Officer for American Express Company. She also held various roles of increasing responsibility at American Express, including Chief Operating Officer, American Express Tax & Business Services; Vice President, Acquisition Integration; and Vice President & Assistant to the Chairman. Ms. Stonier has worked at Waldenbooks, Inc., PepsiCo and started her career as an auditor for PriceWaterhouse Coopers. 

In addition to her work at MasterCard, Ms. Stonier is an Adjunct Professor at Pratt Institute where she teaches business strategy and international business, in the Design Management Master’s program.  

Ms. Stonier received her Juris Doctorate from St. John’s University in Queens, and her Bachelor of Science degree from St. Francis College. She holds memberships in the Bar of the State of New York and the Bar of the State of New Jersey. Ms. Stonier has been recognized as an expert in the field of financial privacy, and is on the Board of Directors of the International Association of Privacy Professionals, currently serving as Treasurer. She also serves on the boards of the Information Accountability Foundation and the Centre of Information Policy Leadership. She was named as a fellow to The Aspen Institute’s First Mover Fellowship program in 2011. She is a well-regarded speaker at industry events and often addresses the need for balancing information innovation and privacy. Events have included: Business Innovation Factory 2014, Amplify Festival 2013 Keynote Speaker, the International Association of Privacy Professionals (IAPP); the Practicing Law Institute (PLI) and the Dow Jones Global Compliance Symposium.