Barbara O'Neill
Global Chief Information Security Officer at EY
Barbara is EY Global Chief Information Security Officer and provides strategic direction for all matters relating to information security.
She joined EY in 1997 as the Director of Information Security for Ernst & Young LLP in the US, assuming responsibility for the Americas Region in 1999. Barbara then accepted the EY Global Chief Information Security Officer role in 2002.
Prior to joining EY, she was the Vice President of Information Technology for a human resource and benefits solutions provider.
Seasoned in information security management, IT strategy, governance and audit, Barbara also held various IT positions with a leading telecommunications company.
She earned her BS in Computer Science from Saint Peter’s University and her MS in Computer Science from Fairleigh Dickinson University.
She joined EY in 1997 as the Director of Information Security for Ernst & Young LLP in the US, assuming responsibility for the Americas Region in 1999. Barbara then accepted the EY Global Chief Information Security Officer role in 2002.
Prior to joining EY, she was the Vice President of Information Technology for a human resource and benefits solutions provider.
Seasoned in information security management, IT strategy, governance and audit, Barbara also held various IT positions with a leading telecommunications company.
She earned her BS in Computer Science from Saint Peter’s University and her MS in Computer Science from Fairleigh Dickinson University.
Meet More Women in Technology Leaders
Kelly Buchanan
Divisional CIO & EVP, Enterprise Payments & Wholesale TechnologyTruist
Hillery Hunter
GM, Industry Clouds & Solutions; CTO, IBM CloudIBM Cloud
Mithu Bhargava
Executive Vice PresidentIron Mountain
Dina Tamimi
Global Vice President, IoT and Network SecurityPalo Alto Networks
Shobhana Ahluwalia
Chief Information OfficerRoblox
Meerah Rajavel
Chief Information OfficerPalo Alto Networks
Aimee Cardwell
Chief Information Security Officer & SVPUnitedHealth Group
Arquay Harris
VP of EngineeringWebflow
Janet Cinfio
CIOAcxiom
Meerah Rajavel
CIOPalo Alto Networks