Barbara O'Neill
Login to view DISC.Barbara ONeill is the Global Chief Information Security Officer at EY, a role she has held since 2002. She directs the firms global information security strategy, leveraging extensive experience in IT, governance, and audit from previous roles at Verizon and ABR Benefit Services. She holds an MS in Computer Science from Fairleigh Dickinson University.
Barbara is a recognized leader and advocate for diversity and inclusiveness in the technology sector. She actively contributes to global conversations on technologys future, participating in forums and events focused on emerging tech like AI, Quantum, and BioTech. She has also participated in charitable events supporting FBI families.
She was named to the Forbes 50 Over 50 list for 2025 and contributed to the World Economic Forums guidance on artificial intelligence and cybersecurity.
Read the full overview →How Barbara shows up
Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.
Topics Barbara cares about
Work history
Media appearances
DISC profile (public)
DISC behavioral profile
Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.
Other EY Employees
Explore more public profiles from related professionals.
More profiles
Discover additional public profiles from our index.
Search more profiles
Looking for someone else? Search here for anyone.