Mehdi graduated with a Bachelor in Dental Surgery with distinction from the University of Otago (New Zealand) in 2002 and received his Doctorate of Clinical Dentistry (Endo) degree from the University of Melbourne in 2008. Mehdi has been an associate lecturer at the University of Sydney since 2002, and a guest lecturer at the University of Melbourne since 2009. He is also actively involved in Endodontic teaching at various continued education levels. Mehdi has obtained a number of publications in the field of forensic dentistry and Endodontics (resin based obturation material and fractured instruments). In 2000 Mehdi was awarded the Sir Allan Wilkinson award for the most worthwhile research in Medicine and Dentistry from the University of Otago. He was also awarded the International Association for Dental Research young researched award in 2001. Mehdi is an honorary member of the Pierre Fauchard Academy, a member of the Royal Australian College of Dental Surgeons in Endodontics, a member of the Australian Asian Society of Dentists and the Australian Society of Endodontology.
