Dan Murphy is a retired fellow of the Casualty Actuarial Society with over three decades of experience leading actuarial practice, most recently as president of Trinostics LLC and formerly Chief Actuary at Argonaut Insurance. He blends hands-on quantitative expertise—stochastic reserve modeling, economic capital, and database-driven statutory reporting—with a passion for teaching and open-source software, contributing to the ChainLadder package in R. A Woodward-Fondiller award winner for research on unbiased loss development factors, he has a rare mix of academic rigor (MS Statistics, University of Illinois) and practical systems experience dating back to financial programming at Southern Pacific. Based in Moraga, California, Dan is known for translating complex reserve and pricing challenges into reproducible models and tools that bridge actuarial theory and operational practice.
11 years of coding experience
15 years of employment as a software developer
BS, Mathematics, BS, Mathematics at Santa Clara University
Masters, Statistics, Masters, Statistics at University of Illinois Urbana-Champaign
Contributions:12 PRs, 32 pushes, 11 branches in 3 months
modelingcopulasmachine-learning
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Dan Murphy - Retired at Casualty Actuarial Society