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Ross Grehan

Partner, Assurance IT, Data & Analytics | Audit & Assurance

Audit & Assurance Data Analytics leader helping clients leverage technology and analytics to strengthen assurance and decision-making

With over 18 years’ experience as a leading Data Analytics practitioner at Deloitte, including time spent at Deloitte Australia and Deloitte Switzerland, Ross and his team deliver analytics as an integral part of a cohesive and fully integrated external audit team, working collaboratively to leverage data in support of risk assessment and substantive testing.

Ross also supports clients by turning risk into advantage through the confident use of technology and analytics, combining technical expertise with proven experience in audit, financial reporting, risk, compliance, operational and regulatory challenges to deliver assurance, drive transformation and enabling smarter, more resilient decision-making.

Ross is a Certified Information System Auditor (ISACA) and has a Bachelor of Science in Computer Systems from the University of Limerick.