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Ladd E. Preppernau, FSA, EA, MAAA

Principal, Consulting Actuary
Portland, OR, US

Tel: +1 503 2270634

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Professional Designations

  • Fellow, Society of Actuaries
  • Member, American Academy of Actuaries
  • Enrolled Actuary under ERISA


  • BS, Central Washington University

Current Responsibility

Ladd is a principal and consulting actuary in the Portland, Oregon, office of Milliman. He joined the firm in 1999.


Ladd's area of expertise is the employee benefits field, with particular emphasis on multiemployer pension plans. He serves as consulting actuary on a number of retirement plans. He assists clients with many aspects of pension plan management, including actuarial valuations, asset-liability modeling, plan design, experience studies, funding strategies, legislative impact studies, plan administration, and participant communications.

Ladd has considerable experience working on multiemployer retirement plans. Some of his recent projects include:

  • Development and monitoring of rehabilitation and funding improvement plans
  • Consulting on withdrawal liability procedures and determinations
  • Multiemployer plan merger analysis
  • Consulting on retirement plan redesign issues
  • Modeling legislative changes, including funding relief provisions under the Pension Relief Act of 2010
  • Work at Milliman

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