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Tim Wei, FCAS

San Francisco, CA, US

Tel: +1 415 3943745

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Professional Designations

  • Fellow, Casualty Actuarial Society


  • BA, Applied Mathematics, University of Berkeley, California.

Current Responsibility

Tim Wei is an actuary with the Property and Casualty practice in Milliman’s San Francisco office. He joined the firm in 2015.


Tim’s areas of expertise include:

  • Rate and product development of private passenger auto, homeowners, and personal umbrella lines in various states.
  • Rate adequacy analyses including on-leveling premium to current rates, calculating policyholder premium dislocation as a result of proposed rate changes, and calculating premium and coverage trends.
  • By-peril class rating factor analyses for the homeowners line using generalized linear and catastrophe models.
  • Claims analyses including developing and trending losses, studying severity distributions to assist in large loss loading, and studying changes in case reserve practices to assist in loss reserve analyses.

Prior to joining Milliman, Tim was an actuarial analyst assisting with private passenger automobile and personal umbrella pricing for Fireman’s Fund Insurance Company in Novato, California, purchased by ACE Group.

  • Work at Milliman

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