Professor Grubeanu graduated in dentistry in 1996 at the Johann Wolfgang Goethe University and got his PhD in the same year in the Department of Periodontology. He specialized in liable centers, among others at the department of oral and maxillofacial surgery at the University in Aachen until 2002 and was certified in Oral Surgery and Implantology in 2004. Its further development led him to research around the TMJ and to craniomandibular dysfunctions. He was finally appointed in 2014 as Professor by the Minister of Science, namely at the Medical School of the European College Fresenius. In the same year he got the Chair of the section for craniomandibular dysfunction therapy.