Greg Dietzen

Greg is actively involved in property insurance ratemaking and product development, particularly for catastrophe-exposed lines of businesses. He manages the San Francisco office's flood R&D efforts.

Greg’s areas of expertise include:

• Rate and product development for private passenger automobile, homeowners, and private flood lines, including development of new rates and improved segmentation of current rates utilizing traditional actuarial methods and other predictive modeling techniques such as Generalized Linear Models
• Catastrophic risk analysis, including catastrophe model review and validation
• Incorporation of Geographic Informations Systems (GIS) data into rate development, underwriting, and portfolio visualization
• Rate adequacy analyses, including on-leveling premium to current rates, calculating policyholder dislocation as a result of proposed rate changes, and calculating premium and coverage trends
• Multi-state implementation of major rating plan updates and new programs

Prior to joining Milliman, Greg was an actuary with GEICO, specializing in private passenger automobile ratemaking.