Dr. Johannes Kreuzer studied electronic engineering with focus on medical engineering at the Technical University of Munich. He is founder and CEO of Cosinuss GmbH.

cosinuss° develops first-in-class wearable sensors that continuously capture several vital signs in the ear like oxygen saturation, heart rate, respiration rate and body temperature. Based in Munich, Germany, cosinuss° provides mobile sensor technologies for health care, sports and safety applications. Since the beginning of 2020 cosinuss° is certified as a medical company.