Margaret Tiller Sherwood FCA MAAA FSA FCAS CERA CPCU

President, Tiller Consulting Group Inc.

Contact Information

Tiller Consulting Group Inc.
10401 Litzsinger Road
St. Louis, MO 63131-3500
Margaret is the President of Tiller Consulting Group, Inc. She is a Fellow of the Casualty Actuarial Society (FCAS), a Fellow of the Society of Actuaries (FSA), a Member of the American Academy of Actuaries (MAAA), and a Fellow of the Conference of Consulting Actuaries (FCA). In addition to her actuarial qualifications, she is a Chartered Property and Casualty Underwriter (CPCU) and holds an Insurance Institute of America diploma in risk management (ARM). Margaret also has earned the Insurance Educational Association’s Enterprise Risk Management Professional (ERMP) designation and is a Chartered Enterprise Risk Analyst (CERA). Margaret meets the American Academy of Actuaries’ Qualification Standards for issuing Statements of Actuarial Opinion in the United States, including those for the NAIC Property and Casualty Annual Statement. Margaret started her actuarial career at Booz-Allen Consulting Actuaries. She then worked at Tillinghast, Nelson & Warren, Inc., rising to Assistant Vice President, before joining Warren, McVeigh & Griffin, Inc., a risk management consulting firm, as Principal Consulting Actuary and Manager of the Actuarial Department. In 1984 she co-founded Tiller Consulting Group, Inc. Margaret’s clients include individual entities retaining risks, workers’ compensation and other risk sharing pools, and insurance companies, as well as insurance departments and law firms. She has clients in both the private and public sectors. Margaret served on the PRIMA Pooling Accounting Task Force that issued the PRIMA "Comprehensive Annual Financial Report Guidelines for Intergovernmental Pools." She also served on several Governmental Accounting Standards Board Task Forces including the one for GASB Statement 10, “Accounting and Financial Reporting for Risk Financing and Related Insurance Issues,” as well as on the Public Risk Database Project Products and Applications Committee. The Public Risk Database Project was the precursor to the Public Entity Risk Institute (PERI). Margaret has an extensive publication list. In addition to many articles, she is the lead co-author of the RM56 textbook, Essentials of Risk Financing, first edition, and the author of the "Individual Risk Rating" and “Risk Theory” chapters in the Casualty Actuarial Society’s Foundations of Casualty Actuarial Science textbook. Margaret also is the author of CAS Exam 8 and 9 Study Manuals published by ACTEX Publications. Several of Margaret’s publications have been on the Casualty Actuarial Society’s examination syllabus. Margaret has been and continues to be very active in actuarial societies. She is a Past President of the Conference of Consulting Actuaries and the Past Chair (President) of the International Association of Consulting Actuaries. She has been on the Board of the American Academy of Actuaries and was a member of the predecessor to the North American Actuarial Council. She was the first President of the Central States Actuarial Forum. She has served on the Actuarial Standards Board’s Casualty Committee and General Committee and chaired the ASB General Committee from 2017 through 2019. Margaret was featured in an article that appeared in The Journal of Commerce series about people who make a difference. She was the only actuary to be profiled. Margaret also is the Treasurer for the City of Frontenac in St. Louis County, Missouri.

CCA Member Since 1983

Other Health Subset

Casualty Appointed Actuary Insurers Reinsurers Risk Pools Risk Retainers

Expert Witness General Management Other Practices Strategic Planning

Annual Meeting Program Committee
Board of Directors
Compensation Committee
Nominating Committee
Strategic Planning Committee
Webinar Committee
Wynn Kent Public Communication Award Committee

Modeling and Other Cross-Practice ASOPs 2020 CCA Virtual Annual Meeting (October 26, 2020)

Thinking Stochastically in a Point Estimate World 2019 CCA Annual Meeting (October 27, 2019)

Actuaries Behaving Badly? – Professional and Ethical Dilemmas 2011 CCA Annual Meeting (October 26, 2011)


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