Lisa-Marie has been a freelance Music Theatre Voice Teacher, Audition Coach and Career Mentor for over 20 years as well as working with the wonderful students of Centrestage Performing Arts School, Brunswick, Outer Urban Projects, Exitleft in Hobart, Walt Disney Special Events, Starbound, Signal 37 Project, Anti Racism Action Band Sound Hub to name a few and was a regular judge at the Highpoint Star Search Competition. Lisa-Marie along with her husband, Director Chris Parker, founded the Music Theatre Tertiary Audition Intensive.
A member of the Music Theatre Advisory Board for the development of the Australian Music Examinations Board (AMEB) Music Theatre Syllabus in 2014, Lisa-Marie continued on as an AMEB examiner for Music Theatre and also the Singing for Leisure Syllabus.
In 2020, Lisa-Marie Parker joined the incredible staff at Victorian College of Arts teaching voice for the Bachelor of Fine Arts – Music Theatre, as well as teaching privately from the Lisa-Marie Parker Vocal Studio in North Melbourne. Lisa-Marie also founded the Kids Division Performing Arts Program -Building confidence through Inclusive & Growth Mindset Performing Arts Training for Kids – in 2021 at Lisa-Marie Parker Vocal Studio for Children Aged 4-13 years.