Christian Hieronimi is the founder and CEO of ONCARE GmbH, which developed a comprehensive digital solution for networked patient care in 2015 with its app-based platform myoncare. The aim is to provide consistent and coordinated care beyond the boundaries of individual clinics. Building on this infrastructure, he founded myon.clinic GmbH in 2022, which specializes in digital medical content and full-service solutions. This was followed in 2023 by the founding of myon.coach GmbH - a joint venture with the Association of Practicing Cardiologists - to improve cardiological care and strengthen medical networking. Christian previously founded several successful technology companies: Medical Intelligence GmbH (1995, medical robotics, sold to Elekta), humediQ (2006, patient safety, acquired by Varian in 2018), Convien (2011, meeting and travel management), and sqanit (2014, IoT service platform). He is a shareholder in various other start-ups.