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Marsh & McLennan

Brokers insurance and runs risk and HR consulting

Head of Cyber Reinsurance Catastrophe Modelling

Actuarial & Risk ModellingConfirmed live in the last 24 hours
Full-timeLondon, UKNo salary listed

About the Job

Requirements

  • Experience in reinsurance, catastrophe modelling, or portfolio accumulation analysis is highly beneficial, particularly within treaty and/or retro placements.
  • Extensive experience leading catastrophe modelling and analytics workstreams, with demonstrated ownership of delivery quality, timelines, and stakeholder management.
  • Strong technical expertise in cyber catastrophe modelling and/or cyber accumulation/exposure frameworks, including the ability to challenge modelling assumptions and communicate uncertainty appropriately.
  • Proven experience producing and signing off client-ready technical deliverables, including summaries, presentations, placement support materials, model documentation, and technical memos, for senior stakeholders.
  • People leadership experience, with a track record of mentoring and developing analysts/modellers and driving a high-performing team culture.

Responsibilities

  • Manage resource planning across a portfolio of cyber catastrophe modelling and analytics engagements, ensuring the team is deployed efficiently to support business needs, including placements, renewals, portfolio steering, and advisory, and that delivery timelines and quality standards are met.
  • Lead and oversee multiple complex cyber catastrophe modelling projects with significant client- and market-facing interaction to quantify cyber accumulation, tail risk, and potential loss outcomes for treaty and retro reinsurance placements.
  • Review and challenge complex analyses produced by team members using cyber catastrophe models and cyber exposure/accumulation frameworks, evaluating assumptions, data quality, model settings, scenario selection, and sensitivity testing to produce credible, defensible loss estimates for clients and reinsurers.
  • Review and sign off client deliverables, including summaries, presentations, placement support materials, model documentation, and technical memos, to ensure accuracy, consistency, clear articulation of uncertainty, and value-added brokerage advice, such as limit and structure considerations, portfolio optimisation, and communication of cyber catastrophe drivers to markets.
  • Mentor, coach, and develop analysts and modellers; set objectives; review performance and work quality; and build a high-performing team culture focused on technical excellence, commercial impact, and continuous improvement.
  • Act as a recognised subject-matter expert in selected cyber peril and/or region/industry segments, including systemic cloud/service-provider outages, ransomware/widespread malware, data compromise, and critical infrastructure disruption; contribute to intellectual capital through methodologies, benchmarks, model governance, and thought leadership; and support business development through technical engagement with clients and reinsurers.
  • Develop a Marsh Re cyber view of risk, documenting its assumptions, rationale, and supporting data while highlighting the strengths and limitations of existing cyber vendor models.

Desired Qualifications

  • Recognised expertise in one or more cyber systemic peril themes, such as cloud/service-provider outage, ransomware/widespread malware, data compromise, or critical infrastructure disruption, and the ability to apply that expertise to placement strategy and market engagement.
  • Experience building intellectual capital, including methodologies, benchmarks, model governance, and thought leadership, and supporting business development through technical engagement with clients and reinsurers.
  • Strong commercial mindset and ability to translate modelling outputs into actionable reinsurance advisory, including limit and structure considerations and portfolio optimisation.

About the Company

Marsh & McLennan

Brokers insurance and runs risk and HR consulting

Marsh & McLennan Companies, which operates under the Marsh brand, is an insurance broker and consulting group serving businesses, governments and institutions worldwide. Its Marsh Risk unit arranges property, casualty, cyber and employee-benefit coverage, while Guy Carpenter places reinsurance for insurers. Mercer advises employers on pay, benefits, retirement and investments, and Oliver Wyman, Lippincott and NERA handle strategy, brand and economic consulting. Brokers earn commissions and fees from placing coverage, and consultants bill client fees or charge fees based on assets or plan members. The company traces its roots to 1871 and is headquartered in New York City.

Company size
10,001+
Company stage
Not listed
Total funding
Not listed
Headquarters
New York, NY
Founded
1871

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