Andrew Williamson
Andrew is a principal and consulting actuary with the Property and Casualty practice in Milliman’s Orange County office focusing on pricing and product development for traditional and emerging risks through the use of predictive modeling and advanced ratemaking techniques. He joined the firm in 2018.
Experience
Andrew’s areas of expertise include:
- Predictive modeling including generalized linear models and advanced machine learning techniques
- Telematics model development and best practices for both personal and commercial vehicles
- Commercial auto product development for varying types of risks, including ride share, long-haul trucking, and others
- Countrywide regulatory and filing expertise, including complex class plan and model filings
- Developing rates and filing support for emerging markets
- Commercial lines ratemaking, product development, and filing support
- Competitive analysis
- Commercial lines reserving
- Data and text mining
- Developing advanced business intelligence reports using data visualization
Prior to joining Milliman, Andrew was an Associate Actuary at Great American Insurance Company in Cincinnati, Ohio, where he led efforts to develop advanced predictive models for Crop insurance programs and other commercial lines using machine learning techniques. Andrew was also responsible for analyzing workers compensation and professional liability reserves, as well as product rate reviews and rate development.
- Fellow, Casualty Actuarial Society
- Member of the American Academy of Actuaries
- BS, Mathematics – University of Cincinnati