He is a specialist in internal medicine and cardiology. His main research interests concern cardiovascular physiology and cardiology, especially the central and peripheral mechanisms involved in the cardiovascular regulation in hypotension. In these fields, he authored or co-authored over 70 scientific papers published in reviewed journals and over 80 communications presented at international conferences. Dr. Jochem has received Polish Prime Minister Habilitation Award (2006) and the National Education Committee Award (2007). Since 2005 he is a vice-president of the Polish Histamine Research Society.