Aleksander Prejbisz, M.D., Ph.D. Involved in clinical research in the Department of Hypertension, Institute of Cardiology, Warsaw, Poland. The main scientific areas of interest include: relationship between sleep disorders and hypertension, primary aldosteronism, pheochromocytoma, resistant hypertension, renal denervation, ambulatory blood pressure monitoring and others. An expert in the field of the management of secondary forms of hypertension, including pheochromocytoma, primary aldosteronism and obstructive sleep apnea. PI and coinvestigator of studies concerning interventional treatment of hypertension. Member of European Society of Hypertension and European Society of Cardiology. Author and coauthor of several publications in international and Polish journals, including: Hypertension, Kidney International, Journal of Clinical Endocrinology and Metabolism, Journal of Hypertension, American Journal of Hypertension, Hypertension Research, Journal of Human Hypertension, Blood Pressure, Blood Pressure Monitoring.