Our Actuarial & Analytics Team
The Acteliora Analytics team combines credentialed actuarial expertise with deep experience in quantitative modeling, data science, and insurance operations. Each engagement is staffed with specialists whose background directly matches the technical demands of the project. We maintain a culture of intellectual rigor, continuous learning, and transparent communication with every client.
Dr. Margaret Hollis, FCAS
Principal Actuary & Managing Director
Margaret has over 22 years of experience in property-casualty actuarial work, including senior roles at two international reinsurers before co-founding Acteliora Analytics. She leads loss reserve engagements and catastrophe risk projects, and holds fellowship credentials from a recognized actuarial society. Her published research on long-tail liability development methods is cited regularly in industry literature.
Director of Pricing Analytics
James specializes in insurance pricing model development across commercial lines, workers' compensation, and specialty risk. He has built generalized linear model frameworks deployed by regional and national carriers, and leads Acteliora's predictive analytics practice. Prior to joining the firm, he spent eight years in pricing roles within a large mutual insurer.
Senior Actuarial Consultant — Liability & Reserving
Nadia brings 14 years of reserving experience across professional indemnity, medical malpractice, and casualty portfolios. She is the lead author on Acteliora's reserve opinion reports and manages regulatory filing documentation for clients operating in multiple jurisdictions. Her approach emphasizes rigorous uncertainty quantification and clear communication of reserve range drivers.
Head of Quantitative Research & Data Science
Thomas leads the development of machine learning models and stochastic simulation tools used across Acteliora's service lines. He holds advanced degrees in statistics and applied mathematics and has co-developed proprietary frequency-severity models used in catastrophe exposure assessments. His work bridges the gap between modern data science methods and actuarial standards for model validation.
Claudia Sanz-Ferreiro, ACAS
Actuarial Analyst — Portfolio Risk & Reinsurance Optimization
Claudia supports portfolio-level risk analysis, capital modeling, and reinsurance structure optimization for both primary insurers and corporate captives. She is experienced with internal capital models built for Solvency II and ORSA reporting purposes and contributes to the firm's benchmarking research. Claudia joined Acteliora after completing her actuarial training within the London market.