Mason Spitz
FCAS, MAAA
Actuary
Brookfield, WI, US
Mason Spitz is an actuary with the Milwaukee office of Milliman. He joined the firm in June 2022.
Experience
Mason’s area of expertise is property and casualty insurance, particularly loss reserving, pricing, and pro-forma financial modeling. Within this space, he has experience in multiple lines of business, including mortgage insurance, asbestos liability, talc liability, workers' compensation, medical professional liability, personal auto, and homeowners, among others. Mason has assisted clients with assignments including:
- Reserving analyses
- M&A due diligence for legacy liability transactions
- Pricing, including ratemaking, development of class plans, and competitive analyses
- Model reviews
- Pro-forma financial projections
- Capital adequacy studies
Publications and Presentations
- How housing finance agencies can better measure performance, benchmark results, and prepare for emerging risks (August, 2026)
- AI-powered asbestos defense could unlock $1 billion or more in annual savings for defendants (August, 2026)
- What Does Inflation Mean for Medical Professional Liability Indemnity Severity? (October, 2022)
Professional Designations
- Fellow, Casualty Actuarial Society
- Member, American Academy of Actuaries
Education
- BBA, Actuarial Science, University of Wisconsin - Madison
- BBA, Risk Management and Insurance, University of Wisconsin - Madison
- BBA, Finance, Investment and Banking, University of Wisconsin - Madison
Publications
Read their latest work
Article
How housing finance agencies can better measure performance, benchmark results, and prepare for emerging risks
28 August 2026 - by Leighton A. Hunley, Mason Spitz
We review key performance indicators, discuss why benchmarks matter, and offer thoughts on climate risk and portfolio resilience affecting state housing finance agencies.
Article
AI-powered asbestos defense could unlock $1 billion or more in annual savings for defendants
18 August 2026 - by Mason Spitz, Drew B. Groth, Travis J. Grulkowski, David Phelps
We demonstrate how AI can help triage asbestos-related insurance claims and yield significant savings in legal costs.
Article
What does inflation mean for medical professional liability indemnity severity?
21 November 2022 - by Eric J. Wunder, Mason Spitz
Higher inflation may impact the MPL insurance industry in terms of its expenses and investment strategies, but it’s unclear it translates to greater losses.