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Achille Sime Lanang

Achille is the Managing Partner of our Actuarial practice, independently offered through Goldwyns Actuary LLP, a joint venture between Goldwyns and SL Financial, a Florida-based Actuarial Services Firm.

Achille brings over two decades of reinsurance and consulting practice experience. Throughout his career, he has focused on a diverse range of areas including homeowners, commercial residential and non-residential, commercial automobile liability, general liability, and alternative or capital market reinsurance. He is an expert in the valuation of property catastrophe exposed insurance-linked securities (ILS).

Prior to founding SL Financial, Achille served as a senior actuary at Partner Reinsurance Company where he was responsible for developing actuarial tools for reinsurance pricing and loss reserving, pricing reinsurance personal lines for the U.S. and Latin America & Caribbean regions and leading the computation of risk-adjusted performance for annual incentive compensation (RAROC) amongst other responsibilities.

Before joining Partner Reinsurance Company, Achille was a senior actuarial associate at PwC in France. 

In this role, he provided  opinions on loss reserve adequacy for both non-life and life insurers, offered advisory services in various areas of financial reporting and mergers & acquisitions, andconducted extensive actuarial and financial modeling, among other responsibilities.

Achille received his actuarial credentials in both the United States and France. He is a frequent speaker at industry conferences and has made numerous presentations on the role of actuaries in the convergence between traditional and alternative reinsurance. His volunteer experience includes serving on the NAIC Educational Standards and Assessment Guidance Project from 2017–2019, as well as on the American Academy of Actuaries’ Extreme Events and Property Lines Committee, the P/C Risk-Based Capital Committee and the Committee on Property and Liability Financial Reporting (COPLFR).

Academic Qualifications

MSc, Applied Mathematics
University of Paris Dauphine, France

BSc, Applied Mathematics
University of Paris Dauphine, France

Professional Certifications & Associations

Fellow (FIAF),
Institut des Actuaires, France

Fellow (FSA),
Society of Actuaries

Member (MAAA),
American Academy of Actuaries

Chartered Enterprise Risk Analyst (CERA)
Affiliate of the Casualty Actuarial Society (AFFI CAS)