Mackenzie O’Toole is a colorguard instructor and chorepgrapher located in Phoenix, Arizona, and has been a part of the marching arts activity for over a decade. She has instructed at Arizona State University, FeniX Independent Winterguard, and is in her 6th year as Caption Head at Perry High School in Gilbert, Arizona.

Her performance career has brought her to several organizations such as the Sun Devil Marching Band in 2017, Fenix Independent Winterguard in 2017-2019 and 2023-2025, and Phantom Regiment Drum and Bugle Corps in 2019.

When she’s not performing or instructing, Mackenzie works as a preschool teacher while also working on finishing up her degree in psychology. This is Mackenzie’s first year with the Blue Knights, and she can’t wait for what the season holds!