Stuart Williams
Global Head - Colleague Technology Products and Governance @Marsh
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WORK HISTORY
Global Head - Colleague Technology Products and Governance @Marsh
London, GB
Enterprise accountability for global colleague technology strategy, product governance and architectural oversight supporting colleagues across 80+ countries, with portfolio responsibility exceeding $40M- Defined and executed multi-year international technology roadmap aligned to growth, risk and efficiency objectives- Member of the MMC Technology Architecture Council and Risk Council, contributing to enterprise architectural and regulatory oversight- Active participant in enterprise investment governance, evaluating capital proposals including cost-benefit, risk and value realisation analysis- Executive sponsor for global technology partnerships including Dell, HP and key SaaS platforms (Moveworks, DocuSign), overseeing lifecycle governance, contract strategy and performance management- Led rationalisation of a application estate, reducing duplication and technical debt while aligning to enterprise architecture standards- Partnered with enterprise data and AI leadership to implement governed automation and analytics capabilities at global scale- Directed remediation of 20M+ endpoint vulnerabilities, materially strengthening regulatory posture and cyber transparency- Mentor senior and emerging leaders across global technology functions and serve as executive sponsor for mental health and inclusive leadership initiatives.
EDUCATION
Nottingham Trent University
HND, Computer Studies
SKILLS
ABOUT STUART WILLIAMS
International technology and operations executive delivering measurable enterprise value through strategic platform modernization, AI enablement, and disciplined investment governance across colleagues in 80+ countries.As Managing Director at Marsh with £40M+ portfolio accountability, I operate at the strategic intersection of technology, finance, and operations—converting technology investments into quantifiable business outcomes. My approach balances growth acceleration, risk reduction, operational efficiency, and long-term scalability.TRANSFORMATION IMPACT- Led enterprise AI deployment (Moveworks) transforming colleague experience and operational efficiency across global organization- Eliminated 20M+ endpoint vulnerabilities, materially strengthening regulatory posture and cyber resilience- Served as Technology Lead for MMC\'s UK COVID-19 Crisis Response Team, enabling colleagues across 80+ countries to transition to secure remote work within 72 hours with zero operational downtime- Delivered M&A technology integration for colleagues across 20+ countries, accelerating business value realization- Introduced data-driven capital allocation models reducing annual hardware expenditure by $7M while improving performance- Rationalized application estate, eliminating technical debt and reducing enterprise risk exposureSTRATEGIC CAPABILITIES:I partner directly with COOs, CFOs, and executive leadership to evaluate opportunity cost, architect capital allocation strategies, and drive value realization. My expertise spans enterprise technology strategy, AI-enabled operations, platform architecture, vendor ecosystem governance, investment portfolio management, and crisis leadership.Previous experience includes 13 years at Goldman Sachs leading infrastructure and electronic trading services across EMEA, where I delivered $10M+ annualized savings through strategic operating model transformation.I build and scale high-performing international teams across FTE, vendor, and hybrid models, and actively mentor emerging leaders across technology and operations functions.Throughout my career, I\'ve maintained a commitment to continuous learning and exploring emerging opportunities where technology leadership drives competitive advantage in complex, regulated, or rapidly scaling environments.
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