Technovation with Peter High (CIO, CTO, CDO, CXO Interviews) How Gallagher Built Enterprise AI on Culture and Data First
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Dec 22, 2025 Mark Bloom, Global CIO at Arthur J. Gallagher, discusses the transformative power of mindset in scaling enterprise AI. He shares insights on how eliminating 800+ data silos improved data quality and propelled AI adoption. Bloom reveals the importance of crowdsourcing use cases from employees, emphasizing cultural alignment over flashy tools. He also highlights the shift from focusing solely on efficiency gains to harnessing AI for revenue generation. With a unique perspective as both a CIO and board member, he reflects on the future of AI in the workforce.
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Embed Tech Leaders In The Business
- Gallagher structures technology leaders as business leaders who sit at their business CEO's table and matrix-report to the global CIO.
- This alignment makes technology a true business enabler rather than a distant cost center.
Integrating 90 Acquisitions Annually
- Gallagher acquires roughly 90 companies a year and requires most to integrate onto its systems and processes.
- This aggressive M&A cadence forces standardized platforms and delivers scale and commonality benefits to acquired firms.
Consolidating 800 Data Repositories
- When Mark Bloom arrived he found about 800 separate data repositories and set a bold goal to consolidate them into a centralized store.
- He and the chief data officer migrated repositories one by one to improve data quality, timeliness, and client reporting.