John Turnidge is a Clinical Professor at the University of Adelaide, Australia.

He previously held the role of Clinical Director of Microbiology and Infectious Diseases at the Women’s and Children’s Hospital, Adelaide, Australia. His research career has led to over 340 publications and a range of editorial boards and leadership positions. He co-founded the Australian Society for Antimicrobials in 1999 and is a past President of the Australian Society of Microbiology. He works as a Senior Medical Advisor at the Australian Commission for Safety and Quality in Health Care as well as a Document and Technical Support for the European Committee on Antimicrobial Susceptibility Testing.