His main interests are the Biomechanics of the Cardiovascular System and the Circulatory Support, where he works both in Research and Clinical Application. He leads a Working Group on Cardiovascular Dynamics and Artificial Organs, which includes both scientists and clinical engineers for interdisciplinary and translational research. Prof. Schima was President of the International Society for Rotary Blood Pumps (ISRBP) and the European Society for Artificial Organs (ESAO). He is currently Councellor of the European Alliance for Medical and Biomedical Engineering Sciences (EAMBES).