Mark Reardon

Mark Reardon is a seasoned information security and technology leader currently serving as the CISO for EY U.S. Government & Public Sector. Over the years, they have built and executed enterprise-wide security programs in financial, healthcare, and public sector environments, demonstrating expertise in areas such as security strategy, risk management, and compliance with international regulations. Previously, Mark held significant roles, including Chief Information Security Officer for the Georgia Technology Authority, where they spearheaded the state’s information security governance program and managed a senior-level security team. Their experience also encompasses positions at S1 Corporation, CyberTrust, and Fiserv, further solidifying their reputation for successfully managing security during periods of rapid organizational change. Mark continues their education toward a BA at California State University, Fullerton.