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Dustin J. Grzeskowiak, FSA, MAAA

Houston, TX, US

Tel: +1 713 3648264

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Professional Designations

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


  • B.S. (honors), Mathematics, Clarkson University

Current Responsibility

Dustin Grzeskowiak is an actuary with the Houston office of Milliman. He joined the firm in 2013.


Dustin’s area of expertise is health insurance. He has experience working with commercial health plans and HMOs including startups, both public and private employer groups, and healthcare providers including large health systems. Currently, Dustin manages client engagements including:

  • Medicare Advantage and Part D bid development
  • Commercial rate filings for individual and small group products
  • Statements of Actuarial Opinion for actuarial liabilities
  • Physician staffing and patient capacity analysis
  • Evaluation of provider risk-sharing arrangements
  • Claim cost and utilization benchmarking
  • Employer group health benefit plan pricing, reserving, and forecasting
  • Retiree medical valuations

Prior to joining Milliman, Dustin had actuarial experience in the health insurance industry working in areas such as Medicare Advantage pricing, actuarial and financial reporting, and actuarial process improvement.


  • Dustin is a member of the American Academy of Actuaries’ Medicare Subcommittee.
  • Work at Milliman

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