Digital Ministerial


JoAnn Stonier


Chief Data Officer


JoAnn C. Stonier serves as Chief Data Officer for Mastercard, leading the organization’s data strategy and innovation efforts while navigating current and future data risks. JoAnn is a global data expert and strategist with extensive experience overseeing the curation, quality, ethical use, governance, and management of the company’s global data assets. JoAnn and her team design and operationalize Mastercard’s global data strategy, developing the enterprise data platforms, the global data responsibility imperative, & guide the enterprise deployment of cutting-edge data solutions, including advanced analytics and AI. Her leadership is integral to Mastercard’s push to deepen the strategic value it can provide its customers, through data-driven products, services, and thought leadership. JoAnn previously served as the company’s Chief Privacy Officer, responsible for global privacy and information governance, and leading regulatory engagement for data compliance. Prior to joining Mastercard in 2008, JoAnn was Chief Privacy Officer for American Express. JoAnn is a recognized and sought-after thought leader in emergent data and privacy issues. She has advised industry executives, governments, and intergovernmental organizations. Currently, she serves on the United Nations Expert Group on Governance and Artificial Intelligence and is Co-Chair of the World Economic Forum’s Global Future Council on Data Policy and is on the board of the Information Accountability Foundation (IAF). JoAnn also serves as a Board Advisor for Trūata, a data trust co-founded by Mastercard and IBM, is on the Board of Directors for Hope for The Warriors, a non-profit Veteran service organization, and on the Board of Trustees for Academy of Mt. St. Ursula, in Bronx, New York. Previously, JoAnn served as Chairman for the International Association of Privacy Professionals. In 2011, she was named a Fellow to The Aspen Institute’s First Mover’s Fellowship Program. In addition to this service, JoAnn is an adjunct professor at Pratt Institute.

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