Invited Speakers

THE UNIVERSITY OF PENNSYLVANIA

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Diva D. De León-Crutchlow is a Professor of Pediatrics at the Perelman School of Medicine at the University of Pennsylvania.  She is Chief of the Division of Endocrinology and Diabetes and Director of the Congenital Hyperinsulinism Center at the Children’s Hospital of Philadelphia (CHOP), the largest center in the world dedicated to the management of children with hypoglycemia disorders.

Dr. De León-Crutchlow obtained her MD degree at the University of Panama and a Masters in Clinical Epidemiology at the University of Pennsylvania. She completed her training in Pediatric Endocrinology at CHOP. Dr. De León-Crutchlow specializes in hypoglycemia disorders, particularly, congenital hyperinsulinism. She has led efforts for the establishment of evidence-based guidelines for the diagnosis and treatment of neonatal hypoglycemia and congenital hyperinsulinism with the goal of improving long-term outcomes. Dr. De León-Crutchlow is the principal investigator of an active translational research program that focuses on examining the molecular mechanisms and pathophysiology of hyperinsulinism, identifying novel therapeutic targets, and developing new therapies for this rare condition.

WAIKATO HOSPITAL

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Marianne obtained her medical degree with distinction from the University of Otago and completed her Endocrinology training at Auckland and Waikato Hospitals, New Zealand. She then worked in Professor Bruce Robinson’s Cancer Genetics Laboratory at the Kolling Institute of Medical Research, Royal North Shore Hospital in Sydney where she undertook a PhD investigating the molecular basis of pituitary tumours. Marianne is an experienced endocrinologist and does general endocrinology (but not diabetes) with particular interests in adrenal, thyroid, and calcium disorders. Marianne is currently Head of Endocrinology at Waikato Hospital and Associate Professor with the Department of Medicine, University of Auckland.

ROYAL PRINCE ALFRED HOSPITAL

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Senior Staff Specialist at Royal Prince Alfred Hospital. Senior Clinical Lecturer and Learning Advisor at the University of Sydney. Established the RPA Antenatal Thyroid Clinic and HealthPathways Sydney thyroid and parathyroid guidelines. Endocrine lead of the thyroid-cancer and thyroid-eye multidisciplinary teams at RPA.

ENDOCRINOLOGY & METABOLISM CENTRE

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Julie is an endorsed Nurse Practitioner with her scope of practice in Endocrinology & Metabolism. She has worked in the field since 1999 with the past 24 years being at the Royal Prince Alfred Hospital Sydney. In her role as a Nurse Practitioner, she sees patients with pituitary, thyroid, adrenal and metabolic bone disorders. The work includes performing diagnostic testing, providing clinical treatment, education and support. Julie strives to improve the clinical care of patients with endocrine disorders. She has publications focusing on improving patient safety and engages with patient groups through educational activities. Julie strives to improve how nurses at every level understand normal and abnormal endocrinology. She is a founding member of the Federation of Nurses in Endocrinology (FINE) an Honorary Lecturer, Sydney Nursing School, University of Sydney. Julie is a past president of the Endocrine nurses Society of Australia (ENSA).

WAIKATO HOSPITAL

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Dr Saleen Nottingham is an endocrinologist at Waikato Hospital with clinical interests in diabetes in pregnancy, as well as calcium and bone disorders. She is passionate about providing practical, evidence-based care across the spectrum of endocrine disease.

Alongside her clinical work, Saleen enjoys contributing to education and service development in endocrinology and diabetes.

Outside of work, Saleen is kept busy by life with her two young boys and a new puppy, which leaves limited spare time. When she can find a moment, she enjoys running, baking, and bush walking with her family.

JOHN HUNTER CHILDREN’S HOSPITAL

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Kat Prior has been the Endocrinology Clinical Nurse Consultant at John Hunter Children’s Hospital in Newcastle, NSW, for the past 12 years in a part-time capacity. Prior to this role, she worked on the Children’s Medical Ward, undertaking various acting CNC positions, and completing a Master of Nursing in 2014.

Kat is passionate about improving the lives of children and families through family-centred care and by advancing nurse education. In 2021, she was awarded the Jenny Nairn Endocrine Nursing Development Grant, which supported her completion of a Postgraduate Diploma of Endocrinology in 2023.

She is actively involved in professional committees, currently serving on the ANZSPED ASM Program Subcommittee, the ANZSPED Child and Adolescent Growth Subcommittee, the PEN ED Steering Committee, and the Australia Pituitary Foundation Medical Advisory Board.

ROYAL NORTH SHORE HOSPITAL

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Associate Professor Tsang is Clinician Researcher at the University of Sydney and Senior Staff Specialist in Endocrinology at Royal North Shore Hospital, with a primary clinical and research focus on endocrinology and cancer. Since her PhD on the Molecular Pathogenesis of Phaeochromocytoma and Paraganglioma at the Kolling Institute of Medical Research, she is now an internationally recognised researcher on endocrine immunotherapy related adverse events. She has successfully co-supervised three PhD Students to completion on Thyroid Immune Related Adverse effects, Checkpoint inhibitor associated diabetes, and Phaeochromocytoma, and is currently supervising a student on the Pituitary immune related adverse effects. She has been the invited guest editor for Frontiers in Endocrinology and previous editor for the Internal Medicine Journal and Clinical Thyoidology. Her research has changed clinical practice, particularly with the publication of international guidelines on management of diabetes associated with cancer in 2025. Dr Tsang has also maintained research focus on aggressive thyroid cancer, Graves’ disease and type 3c diabetes. Dr Tsang is also the co-chair of the Northern Sydney Local Health District Diabetes and Endocrine Clinical Advisory Group, co-chair of the Endocrine subcommittee for the Agency for Clinical Innovation (ACI), and co-ordinator of the NSW ACT Endocrine Meetings. She is also the final year co-ordinator for the Sydney Medical Programme, University of Sydney, supervising over 280 students each year during the final Preparation for Practices year.