David J. Otto

Independent Actuarial Consultant,
Otto Consulting Services, LLC

For more information, contact:

  • M. Scott Wilson

or any member of our senior staff.


    • University of Illinois, B.S.

David Otto is an expert in risk and property and casualty insurance, with expertise in pricing and loss reserving. An actuary with more than three decades of experience, Mr. Otto has been an actuarial consultant on insurance matters across various industries and most property and casualty insurance lines of business, including personal and commercial auto, homeowners, workers’ compensation, general liability, commercial multi-peril, hospital professional liability, physician medical professional liability, and legal professional liability. He has provided expert testimony in numerous matters, in both state and federal courts.

Mr. Otto was a managing director at Willis Towers Watson. In this capacity, he managed over one hundred actuaries and led the firm’s loss reserving services in the United States and Canada. Previously, Mr. Otto has also served as an appointed actuary for multiple companies, providing independent assessments of the reasonableness of insurance companies’ statutory loss reserves, as recorded annually in regulatory financial statements.

For more than a decade, Mr. Otto served on the Casualty Committee of the Actuarial Standards Board, including as casualty committee chairperson. The Actuarial Standards Board sets the Actuarial Standards of Practice (ASOPs) that actuaries in the United States must follow. During his time on the Casualty Committee, Mr. Otto was involved in the development of numerous ASOPs.

Mr. Otto has been a frequent speaker on insurance and actuarial topics at professional conferences. On behalf of the Casualty Actuarial Society (CAS) and other insurance organizations, he has taught continuing and professional education seminars on loss reserving, insurance pricing, underwriting, and ASOPs.

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