Find out more about our kidney specialists (nephrologists).

A/Prof Nigel Toussaint

Director and Lead Physician for Haemodialysis Nigel Toussaint

MBBS FRACP PhD

Director of Nephrology
Clinical Associate Professor of Medicine, University of Melbourne

Nigel Toussaint graduated from the University of Melbourne in 1997 and completed advanced training in Nephrology (FRACP) in Melbourne in 2005. He has subsequently completed a PhD through Monash University (2009), undertaking clinical research in the area of vascular calcification and cardiovascular risk in patients with chronic kidney disease. He completed a Graduate Diploma in Clinical Epidemiology (2007), to enhance his knowledge in clinical research, and has also completed an NHMRC National Institute of Clinical Science (NICS) Fellowship in implementation research.

He has previously worked as a Consultant Nephrologist at Western Health (2006-2013), where he was the Physician in charge of Home Dialysis Therapies, and at Monash Medical Centre (2009-2012). He has been a Consultant Nephrologist at The Royal Melbourne Hospital since 2007.

Nigel is currently the Director of the Department of Nephrology at The Royal Melbourne Hospital and was Deputy Director from 2013. He is the Lead Physician for Clinical Research in the Renal Unit and is also a Clinical Associate Professor with the University of Melbourne, currently supervising post-graduate students with ongoing research in the area of bone and mineral disorders in chronic kidney disease (CKD-MBD), especially phosphate homeostasis and vascular calcification.

Other research interests include home haemodialysis, early detection and management of chronic kidney disease, and reducing cardiovascular risk in CKD. He is co-author of national renal guidelines and has numerous publications in peer-review international journals.

Nigel is an avid hockey played and currently captains the Australian Masters Hockey team.


A/Prof Peter HughesPeter Hughes

Lead Physician for Transplantation and Director of the Paired Kidney Exchange Program

MBBS (Hons), FRACP, PhD

Peter qualified from Monash University and undertook his advanced training at the Royal Melbourne Hospital and Austin Hospital. He was awarded an NHMRC scholarship to perform a PhD at the Walter and Eliza Hall Institute.

He has been a consultant Nephrologist at the Royal Melbourne Hospital since 2008 and has been the Physician in charge of renal transplantation since 2012. His research interests include transplanting across immunological barriers, thrombotic microangiopathy and complement mediated disease.

In 2017 Peter was appointed as Director of the National Paired Kidney Exchange Program

Peter has numerous publications in peer reviewed journals.

Peter Hughes Google Scholar profile


A/Prof Kathy NichollsKathy Nicholls

MBBS FRACP PhD

Lead Physician for Metabolic Disorders

Kathy Nicholls graduated from the University of Melbourne as the top student in her undergraduate class, then trained in general internal medicine and Nephrology at St Vs Melbourne, The Royal Melbourne Hospital and the University of Colorado Health Sciences Center in Denver, USA.

She has particular interests in medical education, diabetes, lupus nephritis and rare diseases which affect the kidneys, particularly Fabry disease.

Kathy has been a consultant nephrologist at RMH for over 25 years contributing very significantly to patient care, research and teaching.

Kathy is nationally and internationally recognized for her contribution to clinical and translational research, with successful ongoing collaborations around the globe, particularly in the areas of Fabry Disease and Systemic Lupus Erythematosis. Kathy has also served on the Fabry Disease Advisory Committee to the Australian Federal government Department of Health and Aging since its inauguration in 2004.

She has a long list of publications in peer-reviewed journals.


A/Prof Rosemary Masterson

Lead Physician for Home Therapies and Transition Care

MBBCh FRACP PhD

Consultant Nephrologist
Honorary Lecturer in Medicine, University of Melbourne

Rosemary Masterson graduated from the National University of Ireland. She undertook advanced training in Nephrology at the Royal Melbourne Hospital and at Guy’s and St Thomas’ NHS Trust, London, UK. She subsequently completed a PhD thesis through University of Melbourne looking at the role of endogenous and naturally occurring antagonists of renal fibroblast function in vitro and in vivo.

She is currently appointed as a Senior Staff Specialist in the Department of Nephrology, Royal Melbourne Hospital. She is the Physician in Charge of Home Therapies with particular interest in extended hours haemodialysis. She also has specific responsibility in the area of renal transplantation. In conjunction with others, she has been involved in the development of a renal supportive care pathway.

She is actively involved in teaching students from the University of Melbourne, in addition to mentoring candidates for the FRACP examination. Since the completion of her thesis, she has remained involved in clinical research. Current areas of interest include bone vascular changes post renal transplantation, cardiovascular outcomes in patients on extended hours haemodialysis and outcomes in elderly patients with advanced chronic kidney disease. She has received several research grants and has a number of publications in peer reviewed journals.


Dr Paul Champion de Crespigny

MBBS, FRACP
Lead Clinician for Acute Nephrology (Renal Ward and Interventional Nephrology)
Obstetric Medicine Specialist

Paul de Crespigny graduated from Monash University and undertook his advanced training in Nephrology in Melbourne, Australia and Birmingham, UK. He has extensive experience working as a consultant Nephrologist since 1988. He has completed laboratory and clinical research in Melbourne and the UK.

Paul has an interest in acute kidney injury, diabetic nephropathy, interventional nephrology and pregnancy related renal disease. He is concurrently a Nephrologist at RMH and a Senior Physician at The Royal Women’s Hospital and has a extensive clinical experience in all aspect s of obstetric medicine.

Paul also has an interest in in medicolegal medicine and has been appointed by the Governor-in- Council to Medical Panels and has extensive experience as a Presiding Member. He has been a principal or co-investigator in more than 30 studies at RMH as has a number of publications and presentations.

In 2011, Paul was the Medical Team Leader and USA team doctor for the President’s Cup.


Dr Michael Lian

MBBS FRACP

Michael qualified from the University of Melbourne.

He has been a consultant Nephrologist at the Royal Melbourne Hospital since 2007 and has a strong interest in renal transplantation.



Dr Tom BarbourTom Barbour

MBBS, FRACP, PhD

Lead for Glomerular and Complement related disease

Dr Tom Barbour graduated in Medicine in 2004 at the University of Sydney, where he had previously obtained an Arts degree with honours in classical languages. He was a specialist trainee in Nephrology at Royal Melbourne Hospital and at the Churchill Hospital, Oxford, UK, and received his Fellowship of the Royal Australasian College of Physicians in 2012. He was awarded a Kidney Research UK Fellowship in 2011, enabling him to undertake a PhD in Medicine at Imperial College, London. There, he was based at the Centre for Complement and Inflammation Research (CCIR) at Hammersmith Hospital, UK.

His research examined the role of the complement system (an immune defense system) in kidney diseases including C3 glomerulopathy (a type of glomerulonephritis). Specifically, he worked on an animal model of C3 glomerulopathy in mice with genetic deficiency of complement factor H. He has co-authored a number of publications on topics including C3 glomerulopathy, atypical haemolytic uraemic syndrome (aHUS) and thrombotic microangiopathy after renal transplantation.

He was appointed as a consultant nephrologist to the Royal Melbourne Hospital in 2015, where he continues his research in the field of complement-mediated kidney diseases. His specialist field is glomerulonephritis.

He is married with a cat called Sardinha and likes to follow soccer and he is an avid reader of book reviews.


A/Prof Ian FraserIan Fraser

MBBS, FRACP

Ian Has been at the Royal Melbourne Hospital as a Nephrologist since 1982. He has a wealth of experience in all areas of Nephrology.

He also practices at The Epworth Hospital, Richmond


Dr Katherine Barraclough

Lead Physician on Green issues

Katherine Barraclough graduated from Monash University in 2001 and was admitted as a Fellow of the Royal Australian College of Physicians in 2008. Her nephrology training included 6 months at The Alfred Hospital (Melbourne), 12 months at Vancouver General Hospital (Vancouver), 6 months at the All India Institute of Medical Sciences (New Delhi) and 12 months at the Princess Alexandra Hospital (Brisbane). She subsequently completed a PhD through the University of Queensland (2012), undertaking clinical research examining pharmacogenetic, pharmaocokinetic and
pharmaocdynamic monitoring of immunosuppressive therapy in adult kidney transplant recipients.

Katherine has previously worked a Consultant Nephrologist at Princess Alexandra Hospital in Brisbane and currently works as a Consultant Nephrologist at The Alfred and Royal Melbourne Hospitals in Melbourne.

Her major research interests include immunosuppressant drug dosing post-kidney transplantation, indigenous renal health and renal disease in lung transplant and HIV-infected populations. She is co-author of national renal guidelines and has numerous publications in peer-reviewed journals.


Dr Sven-Jean Tan

MBBS, B Med Sci, Grad Cert Clin Res Methods, FRACP, PhD

Lead for clinical research

Sven-Jean Tan completed her undergraduate medical degree at The University of Melbourne and graduated in 2005. She completed her advanced training in Nephrology (FRACP) in 2012. Her training included time spent at Monash Medical Centre (Victoria), St Vincent’s Health Melbourne (Victoria) and Townsville Hospital (Queensland). She has also completed a Graduate Certificate in Clinical Research Methods prior to returning to Melbourne in 2013 to undertake her post-graduate research degree.

She completed her PhD studies through the Nephrology unit at The Royal Melbourne Hospital investigating urinary phosphate excretion and the role of klotho and FGF-23 in phosphate handling in 2017. She now works within the outpatient setting both in a clinical capacity as well as coordinating clinical trials.

She enjoys cooking, baking and experimenting in the kitchen as well as tending to her ever-expanding succulent collection, when she is not busy face-painting or volunteering at/organising the next local primary school activity.


Dr Michael Cai

MBBS, FRACP

Lead for Peritoneal Dialysis

Michael has been at The Royal Melbourne Hospital since 2013. He completed work on his PhD in 2018 on bone dysfunction in renal disease. He is lead for Peritoneal Dialysis at The Home Dialysis Unit.


Dr Kevin Chow

MBBS. FRACP, GAICD, PhD

Kevin qualified at the University of Melbourne and had his nephrology training at RMH and the Austin hospital. He is available at RMH for consultation in clinic.

He is completed a PhD at the Walter and Eliza Hall Institute of Medical Research looking at antigen presentation.

He was also a Local Councillor for Boroondara City Council and is a graduate member of the Australian Institute of Company Directors

His research interests are in immunology and transplantation.


Dr David Barit

MBBS, FRACP, PhD

Consultant Nephrologist The Northern Hospital and RMH

David graduated in Medicine in 1998 and completed his fellowship in Nephrology in 2006 which included training at The Royal Melbourne Hospital. He is also Head of Nephrology at Northern Health and provide a link for patients in the north of Melbourne to The Royal Melbourne renal transplant services.

He has a research interest and several publications relating to diabetic kidney disease.


A/Prof Russell Auwardt

MBBS FRACP PhD

Consultant Nephrologist
Conjoint Associate Professor, University of New South Wales

Russell Auwardt graduated from the University of Melbourne in 1990 and completed advanced training in Nephrology (FRACP) in 1996. He completed a PhD (2000) through Melbourne University at the Immunolgy Research Centre, St Vincent's Hospital, investigating the activation on NF-kappa B in rat mesangial cells and rat models of kidney disease.

He previously worked as a Consultant Nephrologist at St Vincent's Hospital from 1996 to 1999 and has been a visiting Nephrologist at The Royal Melbourne Hospital since 1999.

Russell relocated to Albury-Wodonga in 1999 where he works as a Nephrologist and General Physician at Albury Wodonga Health and runs a private Nephrology Clinic. He teaches at the University of New South Wales, Rural Clinical School. He continues to maintain links at the Royal Melbourne Hospital attending the Wednesday General Nephrology Clinic every 2 months along with associated meetings.

Russell was an investigator in the SHARP trial and is involved in the SHARPER trial looking at the role of lipid lowering drugs in chronic kidney disease.


A/Prof David Rutherford

MBBS FRACP PhD

Consultant Nephrologist Albury Wodonga Health and RMH
Conjoint Associate Professor, University of New South Wales

David works in the Albury-Wodonga region as a nephrologist and general physician at Albury Wodonga Health and runs both public and private nephrology clinics. He teaches at the University of New South Wales Rural Clinical School and is the Clinical Lead for Medicine for the Border Rural Training Hub. He is a member of the RMH renal team and runs RMH clinics at Wodonga and Deniliquin every month.


Dr Matthew Sypek

MBBS, FRACP

Consultant Nephrologist, RMH and RCH

Dr Sypek graduated from the University of Adelaide and undertook advanced training in adult nephrology (FRACP) at the Alfred Hospital and Monash Health, Melbourne and in the UK at Oxford University NHS Trust. He completed additional post-fellowship training in paediatric nephrology and continues to practice in both adult and paediatric settings at the Royal Melbourne Hospital and Royal Children’s Hospital, Melbourne.

Dr Sypek’s research interests include kidney transplant epidemiology with a focus on organ allocation. He has recently submitted his PhD thesis “Redesigning deceased donor kidney transplant allocation in Australia” through the University of Melbourne, Australia. He held the position of Epidemiology Fellow at the Australia and New Zealand Dialysis and Transplant Registry (ANZDATA) between 2017-2020 and is currently ANZDATA Executive Editor. In addition to transplant nephrology, his clinical interests include adolescent and young adult medicine, tuberous sclerosis complex and renal genetics.

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