Mackenzie is a self-proclaimed "actress, singer, tapper and face kicker." She grew up in a small town "where nothin's over three stories high" (to quote her ultimate dream role). The oldest of four girls, her love of musical theatre came from dance classes at the local community center, singing in church choir, and watching the old MGM musicals with her mother and grandmother.  

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She went on to study at the Catholic University of America, earning a Bachelor of Music in Musical Theatre. She studied classical and contemporary musical theatre voice with Doug Bowles, acting with Jay D. Brock and  Melissa Flaim and dance with Pauline Grossman, before becoming first in the program to graduate early. 

Mackenzie has lived and worked extensively in the DC, NYC, and Philadelphia regions. Until its recent closure, she taught tap at University of the Arts. She is an award-winning dance competition choreographer in the Musical Theater category and assistant choreographed a production of Silence: the Musical which won the Washington, DC regional theatre award for Best Choreography. She is a recent transplant to New Jersey and​ loves spendng her (rare) time off at home with her incredibly supportive, non-theatrical boyfriend and her two cats.