Joshua Tomlin

Josh leads projects across reserving, capital modelling, internal model validation and enterprise risk management, and regularly supports on insurance transactions and expert witness instructions.Notable projects include:

• As chief actuary, setting up the actuarial function and reserving process for a high-growth London Market insurer
• Chief actuary for a specialist commercial insurer
• Modelling the capital requirements of a post-acquisition combined entity, as part of the due diligence of an insurance company merger
• Coordinating independent modelling of an innovative, collateralised reinsurance product
• Internal model validation for a leading Lloyd’s syndicate
• Coordinating cross-function geopolitical risk scenario testing
• Chairing reverse stress testing workshops for the executive committee of a Lloyd’s managing agent
• Independently reviewing the risk management practices and framework of a Lloyd’s managing agent
• Advising on the establishment of a new solvency capital regime for an international reinsurance market
• Expert witness advice on a reinsurance dispute

Before joining Milliman, Josh was a senior actuarial manager in Aviva’s actuarial function, working closely with the chief actuary in an oversight role across reserving, capital and reinsurance. Josh’s time at Aviva coincided with the Covid-19 pandemic, during which he worked in collaboration with various teams to monitor and report on business interruption exposures arising from government lockdowns. Previously, Josh worked at QBE Europe as part of the reserving function, primarily on professional and financial lines, managing reserve deteriorations stemming from the global financial crisis and systemic drivers such as the US opioids epidemic. Josh began his actuarial career at Lane Clark & Peacock, working across a range of projects including reserving professional indemnity and industrial disease lines, expert witness instructions, periodical payment order (PPO) modelling, Solvency II documentation and internal model validation. Prior to that, Josh worked at Plexus Law, handling litigation on behalf of professional indemnity insurers and their insured professionals.