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Chad C. Karls, FCAS, MAAA

Principal, Consulting Actuary
Brookfield, WI, US

Tel: +1 262 7842250

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Professional Designations

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


  • BS, Actuarial Science, University of Wisconsin

Current Responsibility

Chad is a principal and consulting actuary with the Milwaukee office of Milliman. He joined the firm in 1993.


Chad's area of expertise is property and casualty insurance, particularly ratemaking, loss reserve analysis, and financial planning. Chad has extensive experience in commercial lines, including workers' compensation, professional liability, employment practices liability, surety bonds, and other long-tail lines.

Chad has assisted numerous clients with financial reporting issues and the development of pro forma financial statements, as well as pricing and rating projects including profitability analyses of core products and the development of new products. Beyond standard financial reporting and pricing projects, he has also prepared insurance company valuations, conducted captive formation feasibility studies, assisted clients in preparing for meetings with rating agencies, assisted companies in preparations for insurance department reviews, projected self-insurance funding levels, and participated in multidiscipline due diligence reviews.

Publications and Presentations

Chad has published numerous articles on medical professional liability issues in Best's Review, National Underwriter, Bureau of National Affairs – Health Care Policy Report, and Inside Medical Liability and has been quoted in several publications including The Wall Street Journal, Best Week, U.S. Insurer, American Medical News and Medscape Medical News. In addition, he has been the Rate Survey Editor for the Medical Liability Monitor's Annual Rate Survey Issue.

Chad has spoken at many insurance industry conferences, including those sponsored by the Casualty Actuarial Society, the Physician Insurers Association of America, A.M. Best Company, Crittenden Conferences, ExecuSummit, Insurance Accounting and Systems Association, Midwestern Actuarial Forum, as well as several state medical and hospital associations. Chad is frequently asked by his clients to speak to their board of directors concerning the state of the medical professional liability insurance marketplace.

Milliman hosts an educational seminar for officers of medical professional liability writers. The seminar deals with a variety of issues common among the medical professional liability writers as well as current trends within the industry. Chad is a frequent speaker at this conference, presenting on a number of issues.

In addition to his activities in the medical professional liability arena, Chad has also been active in the attorneys' professional liability marketplace. He has been a guest speaker at the annual meeting of the National Association of Bar Related Insurance Companies and is the curator for the American Bar Association's Standing Committee on Lawyers' Professional Liability's legal malpractice claims study.

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  • Work at Milliman

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