Teresa Tonthat       Chief Information Security Officer - Texas Children’s

Teresa Tonthat

Chief Information Security Officer - Texas Children’s


Teresa Tonthat, Chief Information Security Officer 

Teresa Tonthat serves as the Chief Information Security Officer for Texas Children’s, the largest children’s hospital in the nation recognized for pediatrics, obstetrics, gynecology, and research.  Tonthat has more than 18 years of experience in information security, information technology audit, compliance, and cyber risk. She is responsible for providing information security executive leadership and establishing long-term security strategy, assessing cyber risk, emerging threats, and developing value-added security capabilities for the organization. 

 Tonthat joined Texas Children’s in January 2018 and is a results-oriented leader who drives high quality, innovative, and effective enterprise solutions to strategically support the organization while maintaining acceptable levels of risk. Prior to joining Texas Children’s, Tonthat was responsible for information security at Halliburton.  Under her leadership, a multi-national global security team was focused on mitigating cyber risk within the digital oilfield operations in over 80 countries. 

 Tonthat holds a Bachelor degree in Management Information Systems from Louisiana State University and a Master of Business Administration degree from The University of Houston.  She serves on various information security executive councils such as the American Petroleum Institute (API), Healthcare Information Sharing and Analysis Center (HC-ISAC), eHealth Initiative (eHI) Advisory Board, Symantec Advisory Board, Healthcare Information and Management Systems Society (HIMSS), and Association for Executives in Healthcare Information Security (AEHIS) which is a part of the College of Health Information Management Executives (CHIME).  Tonthat enjoys learning and getting immersed into the operations at Texas Children’s, while spending time educating people on security and risks to collectively help enable the organization to meet its mission. 

Teresa also enjoys spending time with her husband and three young kids.   She’s travelled to every continent, with the exception of Antarctica.  In her spare time, she enjoys taking mini-weekend getaway trips with her husband to check off all the great restaurants on their foodie bucket-list.