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
Bridget Engle
Chief Operations & Technology OfficerBNY Mellon
Melanie Perkins
Co-founder and CEOCanva
Janet George
Corporate Vice President | GM Data Center & Artificial IntelligenceIntel Corporation
Rachana Kumar
VP of Engineering and Managing DirectorEtsy Mexico
Rachel Potvin
VP of Engineering, Data and Security ProductsGitHub
Sheila Jordan
Chief Digital Technology OfficerHoneywell
Janet Robertson
CIO, VP Enterprise Application ServicesRaytheon Technologies
Li Fan
Chief Technology OfficerCircle
Sophie Proust
Chief Technology OfficerAtos
Jameeka Green Aaron
CISOHeadspace