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Gabriela Dieguez, FSA, MAAA

Consulting Actuary
New York, NY, US

Tel: +1 646 4733219

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Professional Designations

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


  • BS, Actuarial Sciences, University of Buenos Aires

Current Responsibility

Gabriela is a consulting actuary with the New York office of Milliman. She joined the firm in 2005.


Gabriela has provided actuarial and consulting services to a wide range of clients, including commercial insurers, reinsurers, Blue Cross/Blue Shield plans, HMOs, pharmaceutical companies, and other healthcare providers. She has extensive experience in pricing health plans, analyzing benefit utilization, forecasting medical trends, performing financial projections, and claim reserve analysis.

She has also worked with clients both on the health plan side and on the employer side regarding their Medicare products, particularly Medicare Advantage and Part D.

Prior to joining Milliman, Gabriela worked for a consulting firm, where she was involved in rate and reserve calculations, financial projections, profitability analysis, reinsurance contracts analysis, product development, and rate adequacy.

Her consulting with both plan sponsors and providers has included rate development and medical claim liabilities evaluation. In addition, Gabriela is proficient in Excel and other Windows tools such as Access.

  • Work at Milliman

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