TOP 100 WOMEN

Global Chief Information Security Officer EY www htps company ernstandyoung :/ linkedin . /

Barbara O ’ Neill has been EY ’ s Global Chief Information Security Officer since 2002 and leads the company ’ s strategic direction for all information security-related matters . Helping to build confidence in capital markets and economies across the globe , EY is a global leader in assurance , tax services , strategy and transactions , and consulting . Founded in 1989 as Ernst & Young by Ernst & Whinney and Arthur Young , the company rebranded as EY in 2013 , becoming a household name .

prior to joining EY , O ’ Neill served as a Vice President of Information Technology and held various IT positions in the telecommunications sector . As well as being EY ’ s current Global Chief Information Security Officer , O ’ Neill is a Certified Information Systems Security Professional ( CISSP ) holding many certifications and licences with EY , including EY Sustainability & ESG Series , EY Disruptive Tech Series , and EY Transformative Leadership Series .

Joining Ernst & Young LLP in the US in 1997 with a BS in Computer Science from Saint Peter ’ s University and a MS in Computer Science from Fairleigh Dickinson University , O ’ Neill started out as the company ’ s Director of Information Security and took over the responsibility for the Americas region shortly after , in 1999 .

With extensive experience in information security management , IT strategy , governance , and audit ,

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