Dr Gregory Jack is a highly credentialed urologist, holding dual certification from both the American Board of Urology and the Royal Australasian College of Surgeons. Renowned internationally for his expertise in endourology and the management of kidney stones, Dr Jack regularly shares his insights as a featured commentator in media outlets such as the Wall Street Journal, ABC News, and Channel 9 News, particularly on topics related to kidney stone prevention and cancer diagnosis. 

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After completing his undergraduate studies at Cornell University in 1996, Dr Jack pursued his medical education at UCLA, earning his Urology degree in 2007. He then undertook a three-year fellowship in Laparoscopy and Endourology at Austin Health, finishing in 2010. Prior to relocating to Melbourne in 2016 with his wife Lucy and their three children, he served as Director of the UCLA Comprehensive Kidney Stone Centre and as Assistant Professor of Urology at UCLA. 

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Dr Jack is an Endourology Speciality Advisor for the Urological Society of Australia and New Zealand, and holds faculty appointments at the Peter MacCallum Cancer Centre (Parkville, VIC) and the Austin Health ONJ Cancer Centre (Heidelberg, VIC). His clinical practice spans all aspects of urology, with particular expertise in kidney surgery, robotic surgery for prostate and kidney cancer, kidney reconstruction, and the management of kidney stones—including complex and refractory cases. 

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• Prevention and treatment of kidney stones 

• Robotic surgery: prostate cancer, kidney cancer, kidney reconstruction 

• Benign prostatic hyperplasia 

• Elevated PSA 

• Kidney cancer 

• Testicular cancer 

• Bladder cancer 

• Small renal masses 

• Scalpel-less vasectomy and vasectomy reversal 

• Haematuria (blood in urine) 

• Penile prosthesis insertion