Our Company

Jill Brostowitz, FSA, MAAA

Consulting Actuary
Brookfield, WI, US

Tel: +1 262 7842250

E-Mail | Download bio | VCard

Professional Designations

  • Fellow, Society of Actuaries
  • Member, American Academy of Actuaries


  • B.S., Mathematics and Business Administration, University of Wisconsin—Stevens Point

Current Responsibility

Jill is a consulting actuary with the Chicago-Milwaukee office of Milliman. She joined the firm in 2014.


Jill’s primary area of expertise is government managed care programs. She has 22 years of health actuarial experience, including 12 years working with Medicaid, Medicare Advantage, and Part D, and four years working with Programs of All-Inclusive Care for the Elderly (PACE).

Jill develops capitation rates for state Medicaid agencies and advises Medicaid Managed Care Organizations (MCOs). Examples include:

  • Working with the WI Medicaid program for 12 years with both the state and an MCO
  • Designing a comprehensive financial template to use for capitation rate development, encounter data validation, and medical loss ratio (MLR) reporting
  • Evaluating the financial implications of using high-cost prescription drugs to treat members infected with hepatitis C
  • Working with the Milliman team developing Florida Medicaid capitation rates
  • Providing an Michigan MCO with guidance on capitation rates and financial projections
  • Evaluating entry into new eligibility categories and service areas

Examples of Jill’s Medicare Advantage and Part D expertise include:

  • Certifying bids since 2006
  • Leading bid audits and participating in financial audits
  • Developing pricing models and reporting from CMS files
  • Contributing to product design, service area expansion, strategy, and policy
  • Preparing budgets, re-forecasts, reserves, and accruals for financial reporting
  • Developing provider capitation rates and risk sharing arrangements

In a prior role, she led the rate development and rate filings in 17 states for individual major medical and Medicare Supplement policies, including pricing new products and states. She also has expertise with commercial group pricing and providers.


  • Current member of American Academy of Actuaries Medicare Subcommittee
  • Prior member of Wisconsin Health Insurance Risk Sharing Plan (HIRSP) Actuarial Subcommittee
  • Prior participant in two different groups of multiple MCOs focused on government programs
  • Work at Milliman

    • “I was offered a chance to come in, shake things up, create something."
    Work at Milliman