Ari Loiben, ASA, MAAA, MS
Vice President & Principal
Dallas
Ari Loiben joined Lewis & Ellis in 2009 while finishing his graduate work in statistics at Southern Methodist University. He brings a diverse background in statistics and actuarial science with expertise spanning the health insurance sector. Ari has performed various statistical analyses involving sampling and extrapolation, confidence interval and sample size estimation, predictive modeling, forecasting and simulation. In addition, he can take on other consulting opportunities in the areas of time-series analysis, experimental design & analysis, linear, non-linear & logistic regression, spatial statistical modeling, and statistical inference. Within the actuarial domain, his experience includes providing expert witness testimony in Long-Term Care (LTC) class action litigation, performing valuations and audits of Other Post Employment Benefit programs, and conducting rate reviews and Risk Focused Examinations for multiple state insurance departments. Ari has also assisted the Centers for Medicare and Medicaid Services (CMS) through its bid desk review process of Medicare Advantage and Prescription Drug (MAPD) plans. Finally, Ari has experience in pricing and reserving analyses for multiple health insurance products, including various actuarial analyses related to the LTC industry (e.g., experience studies, cash flow testing, rate increase filings, etc.). While at New Mexico State University, Ari played outfield on the baseball team and tutored other athletes to strengthen his ability to communicate mathematics and statistics to a non-technical audience. One of Ari’s greatest strengths is his ability to communicate technical and complex concepts in a clear and straightforward manner to his clients.