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Reserving Actuary

Actuaries
Description
Analyze claims experience to estimate and monitor insurance liabilities. Set IBNR and loss adjustment expense reserves under statutory, GAAP, and IFRS frameworks, and communicate results for financial reporting, capital, and risk management.
  • • Determine required loss and loss adjustment expense reserves to ensure adequacy for future claim payments.
  • • Analyze claims and exposure data to estimate frequency, severity, and development patterns by line of business.
  • • Build and select reserving methods and assumptions (e.g., chain-ladder, Bornhuetter-Ferguson, stochastic) and document rationale.
  • • Produce quarterly and annual reserve indications, roll-forwards, and reconciliations for financial close.
  • • Prepare actuarial reports and Statements of Actuarial Opinion; present reserve results to executives, auditors, and regulators.
  • • Develop and maintain loss triangles, exposure bases, and data quality controls to support reserving analyses.
  • • Evaluate reinsurance impacts on gross and net reserves; estimate recoverables and assess counterparty credit risk.
  • • Perform diagnostics, sensitivity tests, and scenario/stress analyses to quantify reserve uncertainty and risk.
  • • Collaborate with claims, underwriting, finance, and data/IT teams to incorporate business insights into reserve estimates.
  • • Monitor reserve emergence versus prior selections and plan; explain drivers of changes and variance.
  • • Support compliance with statutory, GAAP, IFRS 17, RBC, and Solvency II requirements and internal controls.
  • • Enhance reserving models, tools, and processes; automate workflows with programmers or analytics teams.
  • • Provide reserving advice to internal stakeholders or clients on a consulting basis when applicable.
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Tasks & skills: O*NET occupational data (work activities, skills, knowledge). Learn more
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Last reviewed: Jan 2026
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