She was nominated by President George W. Bush and confirmed by the U.S. Senate on July 31, 2003.

Tandy then became senior vice president of public affairs and communications where she served as Motorola's top public policy spokesperson on issues related to global telecom policy, trade, regulation, spectrum allocation, and country relations.

[4] Since June 2016, she has served as vice chair of the Homeland Security Advisory Council.

[5] In March 2021, after Secretary of Homeland Security Alejandro Mayorkas dismissed all 32 members of the advisory council, Tandy was one of only three senior-level members to remain in their positions.

[6][7] This biography of a person who has held a non-elected position in the federal government of the United States is a stub.