Daniel trained as a Dental Technician in 1982 before becoming a dental surgeon. He qualified as a dentist in 1991 in Aachen, Germany gaining in 1992 a licence to practise Dentistry. Appointed in 1993 as research assistant in the department of Prosthetic Dentistry at the University Hospital of the Institute of Technology of North Rhine-Westphalia (RWTH) Aachen. Obtained a Dr med Dent in 1994. In 1998 awarded best presentation to the German Society for Prosthodontics and Material Sciences (DGZPW).In 1999-2001 was awarded a German research foundation (DFG) scholarship to visit Dental Clinical Research Center of Oregon Health and Sciences University in Portland, Oregon, USA. In 2002 appointed as senior physician in the Department of Prosthetic Dentistry, University Hospital of RWTH Aachen. 2003 author of the scientific opinion of the German Society of Dental Oral and Cranio-mandibular Sciences (DGZMK) ("Restoration of endodontically treated teeth"). In 2006 was appointed as Chair of Dental Prosthetics and Dental Material at Ludwig Maximilians University of Munich. Since this time a member of the Board of the German Society of Implantology. 2009 elected as member of the American Academy of Esthetic Dentistry (AAED).