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City Offices will be Closed Friday, July 3 and the Brentwood Library will be Closed Saturday for the July 4th Holiday.

Susannah Macmillan

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professional headshot photo of commissioner

6400 Westbourne Dr
Term expires: May 2023



Susannah Macmillan was elected in 2019 and is serving her first term as a City Commissioner.   Previously she worked as the Associate Director of Human Resources for Bertelsmann Music Group (BMG) in Nashville.


Susannah is married to Dr. Robert Macmillan, Jr.  They have three children, Duncan, Charlotte, and Linley.  She earned a Bachelor's degree from Rhodes College, Memphis, TN and a Master’s degree in Industrial/Organizational Psychology from Middle Tennessee State University.  She has lived in Brentwood since 2009. 

Community Involvement 

Brentwood Citizen's Police Academy

Scales Elementary and Brentwood Middle School PTO member