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Sonya N. Mayfield

Manager, Back Office Operations

Sonya is a Manager of Back Office Operations on the Accounting and Operations team. She is also involved in several committees including the Diversity, Equity and Inclusion, Investment Guidelines and Brokerage Committees. Prior to joining Chartwell, she worked as a Financial Reporting Specialist Supervisor at SEIC and as a Financial Reporting Specialist at BNY Mellon.


  • B.S. in Business Administration, with a concentration in Accounting from Pierce College