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Male, US

Associated with the firm network

Sparling Electrical Engineering

Professional History

Electrical Engineer, Thomas E. Sparling, Electrical Engineers, Seattle, WA, 1975-1991; President, Sparling, Seattle, WA, 1991-2000; Chairman of the Board, Sparling, Seattle, WA, 2000-present.

Vice-Chair, American Council of Engineering Companies; Professional Engineer in WA;

Fellow, American Council Of Engineering Companies (FACEC);


Duncan has been responsible for updating the National Electrical Code for health care facilities in the U.S.

PCAD id: 2329