Turnbull joins Lockton Re’s Accident, Health & Life team as Senior Reinsurance Actuary
- July 24, 2025
- Posted by: Saumya Jain
- Category: Insurance
Lockton Re, the reinsurance arm of the independent insurance broker, has appointed Vince Turnbull as Senior Reinsurance Actuary for its Accident, Health & Life team, based in Philadelphia.
Turnbull is a credentialed actuary as an FSA and MAAA, with a decade of actuarial experience in pricing and strategy having started his career as an Actuarial Intern at UnitedHealth Group.
Most recently, Turnbull served as a Senior Actuarial Manager at Cohere Health for almost four years.
In the role, he led a team of actuaries providing underwriting of ROI in trend management programs for prospect and existing clients under Cohere’s Health Economics & Opportunity Sizing team.
Turnbull additionally provided actuarial guidance during pricing negotiations and the development of risk contracting arrangements, and also built and led the implementation of Core Health economics methodologies.
He has served as a Senior Actuarial Analyst at Willis Towers Watson (WTW) in the Health System Consulting segment. He modelled financial performance for health systems, ACOs, and payers under Medicare, Medicaid & Commercial value-based arrangements and provider-owned health plans.
Turnbull at WTW, evaluated captive and reinsurance risk financing opportunities for loss exposures in value-based contracts and employer stop-loss arrangements. He also set projections of quarterly IBNR reserve estimates for Medicaid and Medicare Advantage products.
His experience includes a stint at Aon as an Actuarial Analyst, managing financial risks associated with self-funded health insurance programs by pricing premiums, calculating reserves, and developing cost-sharing strategies across eight client teams.
At Aon he used Monte Carlo simulation to help clients determine the amount of stop loss needed to hedge catastrophic claims risk. Turnbull also assisted clients’ senior leaders in discussing health plan strategy and presented financial projections with annual healthcare budgets of $15-240 million.
He has experience in providing additional financial support including M&A harmonisation, ACA impact analysis, discount analysis, OPEB valuations, and claims monitoring.
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