Stefan C. Heilmann

DoctorBox GmbH engages in the development of an application, which provides access to an online account for the management of medical records. These include documents, diagnostic findings, X-ray images, magnetic resonance imaging photos, invoices, audio files, medications, and medical appointments. The company was founded in 2016 by Oliver Miltner and Stefan Heilmann and is headquartered in Berlin, Germany.

Domus Immobilien AG is a real estate company that specializes in exclusive properties located in prime locations. Domus Immobilien is based in Cologne, DE and has subsidiaries in Germany. The German company offers a range of properties including apartments, rental spaces, and senior living facilities. The CEOs of the private company are Florian Funken, Daniel Inderbiethen, Robert Maassen.

IEG (Deutschland) GmbH engages in the provision of investment banking services. It focuses on medium-sized transactions in the internet, technology, and services industries. The company was founded in 1999 and is headquartered in Berlin, Germany.