Ceri Tanner
Pmo Governance & Assurance Manager @Valuation Office
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WORK HISTORY
Pmo Governance & Assurance Manager @Valuation Office
London, GB
Strategic PMO and assurance lead for a major government transformation programme, operating as the central governance and confidence function.• Owned enterprise-grade governance frameworks, stage gates and approval controls.• Provided senior leaders with portfolio-level insight on delivery, risk, benefits and financial performance.• Acted as an advisor to SROs on delivery readiness, assurance outcomes and portfolio maturity.• Prepared NISTA gateway readiness packs, ensuring data quality, financial control and delivery confidence.• Ensured sustainable transition of ownership, risk and benefits into BAU.
SKILLS
ABOUT CERI TANNER
PMO Governance and Portfolio Assurance specialist with 15+ years’ experience operating across complex, multi-programme environments within regulated and large-scale transformation portfolios. Experienced in implanting and enforcing PMO governance frameworks, conducting independent assurance reviews, and providing portfolio-level insight to help identify risks to delivery.Proven ability to act as a second-line governance function, ensuring projects comply with defined standards, stage-gate controls, documentation requirements, and reporting quality expectations. Strong track record of delivering portfolio governance reporting, delivery health analysis, and risk insight to support senior leadership decision-making.Comfortable providing constructive challenge to Project Managers, escalating non-compliance where required, and ensuring leadership maintains clear visibility of project performance, delivery confidence, and emerging risks across the portfolio.
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