JoAnn Stonier

JoAnn Stonier is the Chief Data Officer for Mastercard, where she is responsible for the enterprise data strategy and management, including identifying and mitigating data risks across the company, as well as influencing data-driven products, overseeing data policy and governance.  She advises executive management on a broad range of complex data policy and regulatory issues.    Prior to her current position, Ms. Stonier established the first Privacy Office for Mastercard in 2008, and developed the organization’s Information Governance program beginning in 2013.  Prior to joining Mastercard, Ms. Stonier was the Chief Privacy Officer for American Express Company.  

JoAnn is a recognized data and privacy expert and is sought after for her innovative and practical approach to solving problems in the digital age.  In 2018 she assisted in the creation and launch of Trūata, an Irish data trust enterprise, formed to ensure anonymization compliance with the EU-General Data Protection Regulation. She currently serves on their board.  In addition to the Trūata board of directors, she currently advises a broad range of industry and policy groups regarding data innovation and privacy including:  the United Nations Global Privacy Advisory Group; the World Economic Forum’s Data Driven Development Steering Committee; and the Board of Directors of the Information Accountability Foundation.  She is also a Board Advisor for Hope for the Warriors, a non-for-profit organization that assists U.S. military personnel and their families.   She has served on the Board of Directors for the International Association of Privacy Professionals from (2013-2018) and served on the Executive Committee in multiple roles including Chairman in 2017. For her data thought leadership, Ms. Stonier has been recognized by the Information Governance Initiative as the Chief Information Governance Officer of 2015 and in 2011 she was named as an Aspen Institute First Mover Fellow.  

Ms. Stonier received her Juris Doctorate from St. John’s University in Queens, and her Bachelor of Science degree from St. Francis College.  Ms. Stonier is a lawyer and holds memberships in the Bar of the State of New York and the Bar of the State of New Jersey.