Mr Kourambas was born in Melbourne in 1966, to migrant Greek parents and graduated from a public high school in 1983 as Dux of the school. He commenced medical school at Monash University in 1984 and graduated in 1989. He started his internship at the Alfred Hospital in 1990 and finished his urology training at Royal Melbourne Hospital in 1997 prior to his two overseas fellowships. He is only one of a few accredited Endo Urological Society Fellows in Australia.

Mr Kourambas has interest in the treatment of prostatic disease including prostate cancer and minimally invasive treatment of renal stone disease including laser flexible ureteroscopy, lithotripsy and percutaneous surgery. He also deals with other bladder and kidney diseases and performs vasectomies.