eBook · Co-created with the Internal Audit Collective
How to develop internal audit's build-or-buy AI strategy.
A practical decision-making guide for internal audit leaders working out which AI to build and which to buy, with case studies from teams that have already made the call.
What's inside
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Defining internal audit's AI opportunity
Why a growing remit and tighter budgets put AI at the center of the audit plan, and where it fits.
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Breaking down your build-or-buy decision
Seven task types, three kinds of AI tool from an LLM assistant to a complex agentic system, and which tool suits which work.
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The build-or-buy decision framework
A strategic gate, five decision dimensions and a vendor scorecard you can weight for your own shortlist.
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Case studies
How internal audit teams have built, what they bought, the return they expect and what they learned along the way.
About the authors
David Coulombe has spent nearly 25 years in audit. He led Lyft's internal audit function as its VP of Internal Audit and led global audit teams at Intel, Juniper Networks and Salesforce. He is Petual's Audit Executive.
Tom O'Reilly is the Founder of the Internal Audit Collective, the #1 online, private community and training company for Internal Audit and SOX compliance professionals.
Drawing on nearly two decades of audit leadership and industry experience, Tom has built the Internal Audit Collective into a trusted hub where practitioners and leaders can ask questions, exchange perspectives, and network with a community of like-minded peers around the globe.
Before launching the Collective, Tom worked with Internal Audit and SOX teams across a wide range of industries, helping leaders refine their strategies, improve processes, and adopt technology to uplevel performance. That work built on his own experience leading Internal Audit at a Fortune 500 company, where he oversaw the audit plan, SOX compliance, and enterprise risk management.
Through the Collective, Tom continues to connect thousands of auditors worldwide with the tools, insights and community they need to lead in a rapidly evolving risk environment. He is a frequent speaker, facilitator and connector of people and ideas, always focused on enabling positive change in the audit profession.
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