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Carolyn Silverthorn

M.B.A.

Business Manager

Carolyn Silverthorn, M.B.A, is the Business Manager at McMahon. In her role, Carolyn works closely with the firm’s leadership, as well as corporate and project managers, as she manages the firm’s financial activities. She informs the Board of Directors and Executive Committee on all business financial matters to help achieve optimal fiscal performance for the firm.


Carolyn brings more than 20 years of solid finance, operations and management experience in the A/E/C industry, as well as non-profit environments, most recently as Chief Financial Officer for The Center for Autism in Philadelphia. Her background also includes more than 10 years of financial leadership in architecture/planning and construction firms. 


Carolyn is a member of ACEC/PA, and is the Board Treasurer for the Greater Norristown Art League.