Affiliate Professor, Department of Molecular and Biomedical Sciences, University of Adelaide, 1997-present

Adjunct Professor, School of Pharmacy and Medical Sciences, University of South Australia, 2012-present

Staff Specialist, Microbiology and Infectious Diseases, SA Pathology, 2008-present

Immediate Past President, Australian Society for Microbiology, 2013

Chair, Australian Group on Antimicrobial Resistance, 2011 -- present

Member, Clinical Laboratory Standards Institute (formerly NCCLS) Subcommittee on Antimicrobial Susceptibility Testing, USA, 2003- present

Member, Clinical Laboratory Standards Institute (formerly NCCLS) Consensus Committee on Microbiology, USA, 2008-present

Member, Clinical Laboratory Standards Institute (formerly NCCLS) Subcommittee on Veterinary Antimicrobial Susceptibility Testing, 2012-present

Member, Executive Committee, Australian Society for Antimicrobials, 2003-present

Member, Health Care Associated Infections Antimicrobial Stewardship Advisory Committee, Australian Commission on Safety and Quality in Healthcare, 2008-present

Member, Medical Board of Australia (state board of South Australia), 2011-present

Chair, Antibiotic Resistance Reference Group, National Prescribing Service, 2012-present

Chair, National AST Committee, Australian Society for Antimicrobials, 2012-present

Royal Australasian College of Physicians (FRACP)

Royal College of Pathologists of Australasia (FRCPA)

Australian Society for Microbiology (MASM)

American Society for Microbiology

Australasian Society for Infectious Diseases

Asia Pacific Society of Clinical Microbiology and Infection (formerly Western Pacific Society of Chemotherapy

Alliance for the Prudent Use of Antibiotics

British Society for Antimicrobial Chemotherapy

International Society for Anti-infective Pharmacology

Australian Society for Antimicrobials (Co-founder)

European Society for Clinical Microbiology and Infectious Diseases