Nuala O'Connor is Senior Vice President and Chief Counsel for Digital Citizenship for Walmart. From 2014 to 2019, O’Connor served as the President and CEO of the Center for Democracy and Technology (CDT). O'Connor is an expert on digital human rights and civil liberties, technology policy, privacy, and information governance. From 2003–2005, O'Connor served as the first Chief Privacy Officer for the US Department of Homeland Security.