[2] Balducci earned a Bachelor of Arts from Providence College and a Juris Doctor from Columbia Law School.

[3][6] During her tenure as mayor, Bellevue was selected to participate in a Bloomberg Philanthropies initiative to use data to enhance the distribution of public services.

[12] During her tenure as Chair of the King County Council, she has addressed the local deployment of COVID-19 vaccines,[13] homelessness and housing issues,[14] and law enforcement reform.

[15] In 2020, she proposed the director of the Office of Law Enforcement Oversight (OLEO) not be reappointed,[16] which was successful after a council vote.

[17] In 2021, she sponsored a proposal to create a "first-in-the-nation" program to support undocumented immigrants with applications for status and citizenship that was approved by the King County Council.