John D. Simpson

Executive Vice President- 
Chief Verification Officer (CVO)

John has been with TSG since 2005, where he regularly conducts GIPS and non-GIPS verifications, as well as GIPS examinations. He also teaches classes on performance measurement, attribution, risk, and GIPS, and conducts software searches, operations, and technology related consulting assignments. John is a regular speaker at industry conferences and society programs. He is the co-author of TSG’s Guide to the Performance Presentation Standards (TSG Publishing, 2012) and has written numerous articles. John crafted and conducted TSG’s CIPM prep courses (no longer offered). John is currently a member of the United States Investment Performance Committee’s After-Tax Working Group, working on recommendations for firms that present after-tax performance results.

Prior to joining TSG, John spent 20 years with Integrated Decision Systems, a New York-based software vendor that provided portfolio accounting and performance measurement solutions to the investment industry. He was the Product Manager for their GIM Performance and CALiPER investment performance & analytics systems. John was responsible for the enhancement “road maps” for the performance systems with the primary responsibility of aligning the product’s goals with customer needs and market demands. He also acted as chief business analyst in specifying performance analytics and portfolio accounting functionality. John holds a BS in Applied Mathematics from UCLA, where he was a member of their 1987 NCAA national championship volleyball team.


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