Head of the Department and Clinic of Internal Medicine and Oncological Chemotherapy of the Medical University of Silesia.
Secialist in internal medicine (1999), nephrology (2003), angiology (2003), hypertensiology (2006), clinical transplantology (2007) and clinical oncology (2019). Author or co-author of 560 publications, including 215 in international journals, cited over 5,000 times, H-index = 30.
Over the years, he has conducted research in many fields, including: nephrology (description of somatic chromosomal aberrations in nodular parathyroid hyperplasia secondary to chronic renal failure, characterisation of the spectrum of chronic renal diseases in the elderly population – the PolSenior study), clinical transplantation (Doppler assessment of renal flows in the early period after kidney transplantation as a diagnostic tool and prognostic factor – characterisation of renal flows depending on the performance of transplanted organs, severity of acute renal tubular necrosis, and prognostic factor for organ loss in distant observation), genetics of kidney tumours (characterisation of the genetic basis of renal cell carcinoma – demonstrating a different chromosomal aberration profile of renal cell carcinomas associated with chronic renal failure), hypertension (the role of adipokines in the pathogenesis of hypertension and complications of chronic kidney disease – demonstrating the correlation between the occurrence of hypertension and reduced adiponectin concentration in patients with hypertension and demonstrating the clearance kidney function, describing the frequency of refractory hypertension in the population of patients with visceral obesity, and describing the frequency of renal arterial stenosis in the world’s largest group of hypertensive patients, assessment of brachytherapy efficacy in combination with renal artery angioplasty), endocrinology (primary hyperparathyroidism, endocrine disorders in polycystic ovary syndrome) genetics of rare genetic syndromes (hypercalcemic-hypocalciuric syndrome, MEN-1 syndrome, nail-paletta syndrome), population studies (PolSenior I and II studies).