Barbara O'Neill

Critic
DISC Type : C

Global Chief Information Security Officer at EY

United States

Overview

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.

Personality Overview

Objective Thinker

ROI Driven

Negotiator

They don’t appreciate bells and whistles unless backed by data.  They enjoy working alone and do not rely on others very often. They prefer to do logical analysis and value evidence over emotions.

Topics They Care About

AI & Cybersecurity
Contributed to the World Economic Forum's paper on the intersection of Artificial Intelligence and Cybersecurity, demonstrating thought leadership in this critical emerging area.
Disruptive Technology
Engages with complex, forward-looking topics including Quantum computing, Space commercialization, and BioTech as part of EY's Disruptive Tech program.
Corporate Governance
Holds a certification in Corporate Governance, indicating a focus on boardroom effectiveness and high-level strategic oversight in addition to her technical security role.

Media Appearances

Resiliency Unleashed – What It Means To Be A CISO Today (featuring Barbara O'Neill, Global Chief Information Security Officer, EY). Featured in Spotify Podcast

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The Journey of a CISO – Barbara O'Neill, Ernst & Young. Featured in YouTube

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Barbara O'Neill EY Global Chief Information Security Officer. Featured in EY (official website)

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Work History

3-1997
Global Chief Information Security Officer at EY
Vice President IT at ABR Benefit Services
Programmer Analyst at Verizon

Education

BS from Saint Peter's University
MS from Fairleigh Dickinson University

More Information

Social Presence :

Prographics :

Exp : 28 Location : United States Job Level : Leadership Designation : Global Chief Information Security Officer at EY
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Insights For Selling To Barbara

During A Call Or A Meeting

DO's

  • Tell them what ROI they can expect
  • Be ready for penetrating questions and critical examination of your pitch
  • Leverage facts and figures wherever possible; use percentages, numbers etc.

DONT's

  • Don’t try too hard to build a relationship with them
  • Don’t rush them till they have clearly gotten all the necessary information
  • Make extra effort to not seem pushy or confrontational

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Barbara is

  • Strong evidence of ROI, effective pricing, and proven data points matter the most to them.
  • Will you ever get a clear answer from Barbara

  • It is not very hard for them to say no if they are not convinced about the decision.

Insights For Deal Planning

    How fast (or slow) will Barbara move?

  • They are neither the fastest nor the slowest decision makers, they are somewhere in the middle.
  • Can Barbara take some risk or not?

  • They can bear some risk if their analysis backs the decision.

You And Barbara

Personality Compatibility


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