Dr. Marinello passed his Board examination from the University of Zurich. He spent one year as a General Dentist in a Pediatric Clinic. He served as Assistant Professor and acting head of the Dental Public Health Clinic and was Assistant Professor, Department of Fixed and Removable Prosthodontics and Dental Material Sciences (Prof. P. Schärer), University of Zurich. He also served as a Visiting Research Professor, Department of Periodontology (Prof. J. Lindhe), at the University of Gothenburg, where he received his Master of Science degree. He was Associate Professor and Head of Periodontology, Department of Preventive Dentistry, Periodontology and Cariology at the University of Zurich. From 1995 to 2015 he was full-time Professor and Chairman of the Department of Reconstructive Dentistry and Temporomandibular Disorders at the Dental School of the University of Basel. In 2003 he received the Distinguished Lecturer Award from the American College of Prosthodontics (ACP) and in 2012 from the Greater New York Academy of Prosthodontics. In 2006 and 2009 he was awarded by the students as the teacher of the year. In 2008 he received by the Pierre Fauchard Academy the Elmer S. Best Memorial Award. In 2011 he was the president of the American Prosthodontic Society (APS). Since August of 2015 he is Professor emeritus.