Mark graduated with a Bachelor of Dental Science with Honours from the University of Melbourne in 2008. He was on the Deans Honours List and winner of the Ernest Joske Prize in final year dentistry. He worked in private practice for three years before beginning specialist training, graduating with the Doctor of Clinical Dentistry in 2014 from the University of Melbourne and being awarded the Ephraim Ehrmann Memorial Prize. He completed a Masters of Health and Medical Law from the University of Melbourne in 2019 from the University of Melbourne. Mark practices in private practice in Maribyrnong, Victoria.