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Owen Castellano

Actuarial Analyst I (ASA Candidate)
Hartford, CT, United States

Professional Summary

Early-career actuarial analyst with 2+ years in P&C and life insurance pricing and reserving. Passed SOA Exams P, FM, FAM, and SRM; preparing for PA. Builds GLM rating models in R and Python, automates reserve studies in SQL and Excel/VBA, and turns loss-triangle analysis into clear recommendations for underwriting and finance leaders.

Employment History

Actuarial Analyst I
Connecticut Mutual Insurance Group · Hartford, CT
Jul, 2024 · Present
Built a GLM-based auto rating model in R across 1.2M policy records, improving loss-ratio lift by 9% vs. the legacy tariff Automated quarterly IBNR reserve study with SQL + Python (chain-ladder, Bornhuetter-Ferguson), cutting turnaround from 6 days to 2 Produced rate-filing exhibits for 4 state filings, all approved without objection Partnered with underwriting to segment commercial property book, flagging $3.4M of underpriced exposure Maintained Tableau dashboard of monthly loss development used by 30+ stakeholders
Actuarial Intern
Lifeway Financial · Boston, MA
May, 2023 · Aug, 2023
Ran mortality experience study on 85K term-life policies and documented A/E ratios by cohort Rebuilt Excel/VBA lapse-assumption tool, eliminating 12 hours of manual work per quarter Presented assumption-review findings to the Chief Actuary and valuation team
Quantitative Research Assistant
UConn Department of Mathematics · Storrs, CT
Sep, 2021 · May, 2023
Cleaned and modeled insurance claims datasets for a faculty credibility-theory project Tutored 40+ students per semester in probability and financial math Co-authored a working paper on Bühlmann credibility for small-portfolio pricing

Education

B.S. Actuarial Science, Minor in Statistics
University of Connecticut · Storrs, CT
Sep, 2020 · May, 2024
GPA 3.82 · Dean's List. Coursework: Loss Models, Life Contingencies, Regression & Time Series, Financial Mathematics.

Skills

Python (pandas, statsmodels)
R (GLM, tidyverse)
SQL
Excel and VBA
Loss reserving (chain-ladder, BF)
Ratemaking and rate filings
Experience studies
Tableau
Credibility theory
Stakeholder presentations

Languages

English · native
Spanish · fluent

Courses

SOA Exams Passed — P, FM, FAM, SRM
Society of Actuaries
VEE Economics, Accounting & Finance, and Mathematical Statistics complete. Currently preparing for the PA (Predictive Analytics) exam toward ASA.