Patronus Health GmbH is a Frankfurt-based health tech company. We offer a pioneering app-based medical device that prepares patients before major surgical procedures. Our approach is patient-centered using evidence-based medical excellence. Our founders Dora Zmuc, Charlotte Detemble, Andreas Schnitzbauer, and Mark Siller are medical professionals with a strong economic background, app developers, and experts in safety, quality, informatics, and leadership with together more than 50 years of extended professional knowledge and experience. We improve patient and doctors' experience, and the quality of care for all stakeholders in healthcare before major surgeries.