Platinum Equity
Mergers. Acquisitions. Operations.

Mergers. Acquisitions. Operations.


Platinum Equity Chief Financial Officer Mary Ann Sigler

Mary Ann Sigler

Chief Financial Officer

Mary Ann Sigler joined Platinum Equity in 2004. She is currently responsible for overall accounting, tax, and financial reporting as well as managing strategic planning projects for Platinum Equity. In addition to these responsibilities, Ms. Sigler is the firm's Chief Compliance Officer. 

Prior to joining Platinum Equity, Ms. Sigler was Senior Partner at Ernst & Young LLP (E&Y). Ms. Sigler’s 25-year career at E&Y began in January 1980 and she made Partner in September 1987. While at E&Y, Ms. Sigler’s clients included: Lockheed Martin Corporation, AOL Time Warner, TRW, Northrop Grumman, Amgen Inc, Allergan Inc, Teledyne Technologies, Rustic Canyon, and the Los Angeles Dodgers. She was also involved in several high profile acquisitions and dispositions for these clients.

Ms. Sigler holds a Master’s Degree in Business Taxation from the University of Southern California and a B.A. in Accounting from the California State University at Fullerton.


Mary Ann Sigler, Platinum Equity CFO,
featured in Treasury and Risk Magazine…
(PDF download)

In 2010, Treasury and Risk Magazine named
Mary Ann Sigler among its Top 100 Most
Influential People in Finance
(PDF download)




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