Lisa Heitz-Mayfield | ITI World SymposiumLisa Heitz-Mayfield Lisa Heitz-Mayfield Lisa Heitz-Mayfield, an Adelaide graduate, has a Masters in Periodontology (1996) and PhD (1998) from Lund University, Sweden. http://www.iti.org/worldsymposium2014/Faculty-CV/Heitz-Mayfield