Margaret Tiller Sherwood FCA MAAA FSA FCAS CERA CPCU

President, Tiller Consulting Group Inc.

Contact Information
Tiller Consulting Group Inc.
729 Woods of Ladue Lane
St. Louis, MO 63124
United States
Phone: 314-567-7480
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. She also meets the qualifications for issuing Statements of Actuarial Opinion 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 (IACA). 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 is on the International Actuarial Association's Actuarial Standards Committee, is the IAA's Liaison to IACA, and is the CCA's representative on the IAA's General Insurance Forum and to the IAA's Climate Risk Task Force. 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.


CCA Member Since 1983
Casualty Appointed Actuary Expert Witness General Management Insurers Reinsurers Other Health Subset Other Practices Risk Pools Risk Retainers Strategic Planning
Annual Meeting Program Committee
IAA Actuarial Standards Committee
IAA Climate Risk Task Force
IAA General Insurance Forum
IAA Liaisons
Annual Meeting Program Committee
Board of Directors
Compensation Committee
IAA General Insurance Committee
Nominating Committee
Strategic Planning Committee
Webinar Committee
Wynn Kent Public Communication Award Committee

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