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Our Clinical Staff

Dr. David Heyworth-Smith MBBS (Hons) FRACP FRCPA, Practice Principal

Dr Heyworth-Smith, Clinical Immunologist and Allergist, commenced private practice at The Greenslopes Private Hospital in 2005.  Prior to this David was a Staff Specialist at The Princess Alexandra Hospital and at The Royal Brisbane Hospital.   In addition to his private clinical practice David practices as an Immunopathologist at QML Pathology and is a Visiting Medical Officer at The Wesley and Mater Private Hospitals  David’s special interests include vasculitis, autoimmune disorders, hereditary angioedema, drug allergy and food allergy.  In 2011 David joined with colleagues to found The Compass Immunology Clinic.

Dr. Kathryn Heyworth MBBS FRACGP DCH DIC MSc Allergy (London) 

Dr Heyworth is a General Practioner with a higher degree in childhood food allergy diagnosis and management and childhood nutrition.  Previously, Kathryn has worked as a Paediatric General Practitioner and in Children's Emergency medicine at the Mater Childrens' Hospital, South Brisbane for over a decade.  She holds a Diploma of Child Health and a Master’s degree in Allergy Medicine from Imperial College, London, UK.  Kathryn has a passion for enabling children to achieve their optimal health.

Dr. Susan Perel MBBS (QLD) BSc FRACP FRCPA, Clinical Immunologist and Allergist, graduated from medicine (University of Queensland) in 2002.  Susan trained as a registrar at the Princess Alexandra Hospital, Royal Brisbane and Women’s Hospital and Greenslopes Private Hospital and completed her specialty training in Clinical Immunology/Allergy and Immunopathology in 2012.  She joined Compass Immunology as a specialist in 2013.   Susan's interests include food and drug allergy (including general anaesthetic and antibiotic allergy testing), allergic rhinitis, allergen immunotherapy/desensitisation, urticaria, vasculitis and immune deficiencies.  In addition to her clinical private practice, Susan works as an Immunopathologist at Mater Pathology.  

Dr. Kim Robertson MBBS (QLD) FRACP, Paediatric Immunologist and Allergist, graduated in Medicine from the University of Queensland in 1998. She undertook the majority of her General Paediatric training at the Royal Children’s Hospital, Brisbane, with an additional year of experience in Ireland. She subsequently embarked on subspecialty training in Paediatric Allergy and Clinical Immunology in 2008, and was awarded her fellowship in 2012.  Dr Robertson’s areas of interest include the diagnosis and management of paediatric food and insect allergies, eczema, and allergic rhinitis. She performs diagnostic skin prick testing and intradermal testing, as well as oral food challenges and allergen immunotherapy. Kim also conducts outpatient sessions at the Wesley Hospital.  Kim sees children from birth up to the age of 16 years.

Dr. Paul Campbell BSc (Hons) MBChB PhD (Oxford) FRCPA, Specialist Immunologist with interest in Allergy Medicine, graduated in Medicine from the University of Glasgow in 1986. He was awarded a PhD in Molecular Haematology from University of Oxford in 1991. Paul spent several years in registrar posts in Rheumatology, Immunology and Allergy at Flinders Medical Centre. He was concurrently an NHMRC Australian Postdoctoral Research Fellow in Immunology and during this time also completed his Fellowship of the Royal College of Pathologists of Australasia (1997). Paul worked as Senior Immunologist for the UK Medical Research Council at a field station in The Gambia. On returning to Australia, Paul established The Allergy Centre in Coffs Harbour in 2007.  He now consults at Compass Immunology Clinic and The Wesley Hospital.

Dr. Carl Kennedy MBBS (QLD) BSc FRACP FRCPA, Clinical Immunologist/Allergist, graduated in Medicine from the University of Queensland in 2001. Following graduation he spent time in regional Queensland as part of his Rural Health Scholarship. Dr Kennedy then returned to Brisbane to complete his basic and dual advanced training in Clinical Immunology and Allergy and Immunopathology at the Royal Brisbane and Women’s Hospital and Princess Alexandra Hospital. Dr Kennedy has a broad interest in Immunological disease including connective tissue disease and Immunodeficiencies. Dr Kennedy’s particular interest is in Allergic disease, including the investigation and management of Anaphylaxis, Allergic Rhinitis and the use of Immunotherapy for the treatment of environmental allergies.

Ms Jillian Dimock, Accredited Practising Dietitian (APD).

Jillian completed her Masters in Nutrition & Dietetics in 2000 and Graduate Certificate in Paediatric Dietetics in 2003.  She joined Compass Immunology as a specialist Allergy Dietitian in October 2014 and has been an extemely valuable addition to our team.

Jillian's interests include: Food Allergy & Intolerances in all ages including Low FODMAP diets.  Paediatric services including Fussy Eaters, Faltering Growth, Coeliac disease, Constipation & Weight management.  

Referrals under the Enhanced Primary Care plan welcomed.


Dr Martin Newman MBBS (Hons), FRACP Clinical Immunologist/Allergist, is a graduate of the University of Tasmania Medical School and a Fellow of the Royal Australasian College of Physicians in Clinical Immunology and Allergy. Dr Newman completed his basic and advanced physician training at the Royal Brisbane and Women's Hospital, Princess Alexandra Hospital and Greenslopes Private Hospital.  He is also a Visiting Medical Officer in Clinical Immunology and Allergy at Princess Alexandra Hospital and has a monthly clinic in Rockhampton.

His interests include all aspects of general clinical immunology and allergy including autoimmune disease, vasculitis, autoinflammatory disease, immunosuppression management and neuroimmunology; food allergy, environmental allergy, allergy desensitisation, urticaria and angioedema; and immunodeficiency screening and management.

Dr Zi Tan MBBS FRACP FRCPA Clinical Immunologist/Allergist, graduated in Medicine from the University of Tasmania in 2007. He underwent his residency years and basic physician training at the Princess Alexandra Hospital before commencing advance training in Clinical Immunology/Allergy and Immunopathology. This was completed at various sites including the Royal Brisbane and Women’s Hospital, Royal Melbourne Hospital, Greenslopes Private Hospital and Princess Alexandra Hospital. He is interested in all aspects of clinical immunology and allergy in particular allergen immunotherapy, drug and food allergy and immunodeficiency. He consults at the Compass Immunology, Wesley Immunology and is a Visiting Medical Officer at the Royal Brisbane and Women’s Hospital.  In his spare time, Zi enjoys spending time with his 2 young children.