Dean graduated from the University of Melbourne in 2001.   He then pursued his passion in Paediatrics, training at the Royal Children’s Hospital, where he subsequently subspecialised in the field of Allergy and Immunology.

As a consultant at the Department of Allergy and Immunology, Royal Children’s Hospital, Melbourne, Dean enjoys an active role in teaching medical students, junior training doctors and general practitioners.  He has research involvement with the  Probiotic and Peanut Oral Immunotherapy (PPOIT)  study and is an Honorary Fellow with theGastro & Food Allergy Group (HealthNuts) at the Murdoch Childrens Research Institute. He is a member of the Centre for Food & Allergy Research (CFAR)and also a member of the Care Working Group for the National Allergy Strategy.

Dean is an invited reviewer for the Medical Journal of Australia (MJA), Pediatric Allergy & Immunology, International Archives of Allergy & Immunology and Journal of Paediatrics and Child Health.  He was the previous editor of the Paediatric Handbook, 8th edition, a popular text used by medical students and healthcare professionals.

Dean is passionate about delivering the best possible care for children with allergic disease.  He believes in empowering patients and families through education.   Dean has an interest in the areas of anaphylaxis, urticaria (hives), food allergies, eczema, asthma, allergic rhinitis (hayfever), insect sting allergy, antibiotic-allergy, and immunotherapy (desensitisation).

When not at work, Dean enjoys his spending time with friends and his family of three young energetic boys.  He also enjoys time with friends, sports, travel, the outdoors, food, going to the gym and playing basketball.


Soriano VX, Peters RL, Ponsonby AL, Dharmage SC, Perrett KP, Field MJ, Knox A, Tey D, Odoi S, Gell G, Perez BC, Allen KJ, Gurrin LC, Koplin JJ. Earlier ingestion of peanut following changes to infant feeding guidelines: The EarlyNuts Study. J Allergy Clin Immunol 2019 Aug 8.

McWilliam V, Peters RL, Allen KJ, Dharmage SC, Ponsonby AL, Tang ML, Smart J, Perrett K, Tey D, Robinson M, Taranto M, Koplin JJ, Gurrin LC; HealthNuts and SchoolNuts investigators.​  SPT predictive values for the outcome of cashew challenges in children.​ ​​J Allergy Clin Immunol Pract. 2019 Jul 2.

Dunn Galvin A, McMahon S, Ponsonby AL, Hsiao KC, Tang MLK; PPOIT study team. The longitudinal impact of probiotic and peanut oral immunotherapy on health related quality of life. Allergy. 2018 Mar; 73(3) 560-568

Hsiao KC, Ponsonby AL, Axelrad C, Pitkin S, Tang MLK: PPOIT Study TeamLong -term clinical  and immunological effects of probiotic and peanut oral immunotherapy after treatment cessation; 4 year follow up of a randomized , double blind placebo – controlled trial. Lancet Child Adolesc Health. 2017 Nov ;1(3)

Beck C, Koplin J, Dharmage S, Wake M, Gurrin L, McWilliam V, Tang MLK, Sun C, Foskey R, Allen KJ; HealthNuts InvestigatorsPersistent Food Allergy and Food Allergy Coexistent with Eczema is Associated with Reduced Growth in the First 4 years of Life. J Allergy Clin Immunol Pract. 2016 Mar- Apr ; 4(2) : 248 -56

Koplin JJ. Wake M, Dharmage SC, Matheson M, Tang ML, Gurrin LC, Dwyer T, Peters RL, Prescott S, Ponsonby AL, Lowe AJ, Allen KJ: HealthNuts Study group. Cohort Profile : The HealthNuts Study : Population prevalence and environmental /genetic predictors of food allergy. Int J Epidemiol. 2015 Aug ; 44(4) 1161-71

Tang MLK, Ponsonby A-L, Orsini F, Tey D, Robinson M, Su EL, Licciardi P, Burks W, Donath S. Administration of a probiotic with peanut oral immunotherapy – A randomized trial. J Allergy Clin Immunol 2015 Jan

Tey D, Allen KJ, Peters RL, Koplin JJ, Tang ML, Gurrin LC, Ponsonby AL, Lowe AJ, Wake M, Dharmage SC; HealthNuts study investigators. Population response to change in infant feeding guidelines for allergy prevention. J Allergy Clin Immunol. 2014 Feb;133(2):476-84.

Zurzolo GA, Koplin JJ, Mathai ML, Taylor SL,Tey D, Allen KJ. Foods with precautionary allergen labeling in Australia rarely contain detectable allergen. J Allergy Clin Immunol Pract. 2013 Jul-Aug;1(4):401-3.

Peters RL, Dharmage SC, Gurrin LC, Koplin JJ, Ponsonby AL, Lowe AJ, Tang ML, Tey D, Robinson M, Hill D, Czech H, Thiele L, Osborne NJ, Allen KJ; HealthNuts study. The natural history and clinical predictors of egg allergy in the first 2 years of life: a prospective, population-based cohort study.J Allergy Clin Immunol. 2014 Feb;133(2):485-91

Allen KJ, Koplin JJ, Ponsonby AL, Gurrin LC, Wake M, Vuillermin P, Martin P, Matheson M, Lowe A, Robinson M, Tey D, Osborne NJ, Dang T, Tina Tan HT, Thiele L, Anderson D, Czech H, Sanjeevan J, Zurzolo G, Dwyer T, Tang ML, Hill D, Dharmage SC. Vitamin D insufficiency is associated with challenge-proven food allergy in infants. J Allergy Clin Immunol. 2013 Apr;131(4):1109-16, 1116.e1-6.

Tey D, Dharmage SC, Robinson MN, Allen KJ, Gurrin LC, Tang ML. Frequent baked egg ingestion was not associated with change in rate of decline in egg skin prick test in children with challenge confirmed egg allergy. Clin Exp Allergy. 2012 Dec;42(12):1782-90.

Dang TD, Tang M, Choo S, Licciardi PV, Koplin JJ, Martin PE, Tan T, Gurrin LC, Ponsonby AL,Tey D, Robinson M, Dharmage SC, Allen KJ; HealthNuts study. Increasing the accuracy of peanut allergy diagnosis by using Ara h 2. J Allergy Clin Immunol. 2012 Apr;129(4):1056-63.

Koplin JJ, Tang ML, Martin PE, Osborne NJ, Lowe AJ, Ponsonby AL, Robinson MN, Tey D, Thiele L, Hill DJ, Gurrin LC, Wake M, Dharmage SC, Allen KJ. Predetermined challenge eligibility and cessation criteria for oral food challenges in the HealthNuts population-based study of infants. J Allergy Clin Immunol. 2011 Mar;127(3):668-76.e1-2.

Osborne NJ, Koplin JJ, Martin PE, Gurrin LC, Lowe AJ, Matheson MC, Ponsonby AL, Wake M, Tang ML, Dharmage SC, Allen KJ; HealthNuts Investigators. Prevalence of challenge-proven IgE-mediated food allergy using population-based sampling and predetermined challenge criteria in infants. J Allergy Clin Immunol. 2011 Mar;127(3):668-76.e1-2.

Koplin JJ, Osborne NJ, Wake M, Martin PE, Gurrin LC, Robinson MN, Tey D, Slaa M, Thiele L, Miles L, Anderson D, Tan T, Dang TD, Hill DJ, Lowe AJ, Matheson MC, Ponsonby AL, Tang ML, Dharmage SC, Allen KJ. Can early introduction of egg prevent egg allergy in infants? A population-based study. J Allergy Clin Immunol. 2010 Oct;126(4):807-13.

Mehr S, Liew WK, Tey D, Tang ML. Clinical predictors for biphasic reactions in children presenting with anaphylaxis.Clin Exp Allergy. 2009 Sep;39(9):1390-6.

Tey D, Heine RG. Egg allergy in childhood: an update. Curr Opin Allergy Clin Immunol. 2009 Jun;9(3):244-50.

Tey D, Thomson K, Marks M, editors. Paediatric Handbook, 8th ed. Melbourne, Australia: Wiley-Blackwell.

de Silva IL, Mehr SS, Tey D, Tang ML.Paediatric anaphylaxis: a 5 year retrospective review. Allergy. 2008 Aug; 63(8): 1071-6.

Tey D, Efron D. Sudden Infant Death Syndrome in two infants from families of low socioeconomic status. J Paediatr Child Health. 2005 Dec; 41(12): 694.